Tests: nuke "master_process off;" usage.

It's not really suitable for automatic testing due to number of reasons:
it doesn't check for open sockets left on exit, it uses racy signal handling,
it doesn't at all works on Windows.
diff --git a/auth_basic.t b/auth_basic.t
index ef9d7e8..4712f3b 100644
--- a/auth_basic.t
+++ b/auth_basic.t
@@ -28,7 +28,6 @@
 
 %%TEST_GLOBALS%%
 
-master_process off;
 daemon         off;
 
 events {
diff --git a/autoindex.t b/autoindex.t
index da06795..92cc35b 100644
--- a/autoindex.t
+++ b/autoindex.t
@@ -26,7 +26,6 @@
 
 %%TEST_GLOBALS%%
 
-master_process off;
 daemon         off;
 
 events {
diff --git a/dav.t b/dav.t
index 07b2215..62e3605 100644
--- a/dav.t
+++ b/dav.t
@@ -27,7 +27,6 @@
 
 %%TEST_GLOBALS%%
 
-master_process off;
 daemon         off;
 
 events {
diff --git a/fastcgi.t b/fastcgi.t
index 0b200ba..0ad47bc 100644
--- a/fastcgi.t
+++ b/fastcgi.t
@@ -29,7 +29,6 @@
 
 %%TEST_GLOBALS%%
 
-master_process off;
 daemon         off;
 
 events {
diff --git a/fastcgi_cache.t b/fastcgi_cache.t
index f195ea5..c121d93 100644
--- a/fastcgi_cache.t
+++ b/fastcgi_cache.t
@@ -29,7 +29,6 @@
 
 %%TEST_GLOBALS%%
 
-master_process off;
 daemon         off;
 
 events {
diff --git a/fastcgi_header_params.t b/fastcgi_header_params.t
index 0b3d760..085b3f6 100644
--- a/fastcgi_header_params.t
+++ b/fastcgi_header_params.t
@@ -29,7 +29,6 @@
 
 %%TEST_GLOBALS%%
 
-master_process off;
 daemon         off;
 
 events {
diff --git a/gzip.t b/gzip.t
index 3faa0be..40b036c 100644
--- a/gzip.t
+++ b/gzip.t
@@ -27,7 +27,6 @@
 
 %%TEST_GLOBALS%%
 
-master_process off;
 daemon         off;
 
 events {
diff --git a/gzip_flush.t b/gzip_flush.t
index a01cb87..49093c2 100644
--- a/gzip_flush.t
+++ b/gzip_flush.t
@@ -26,7 +26,6 @@
 
 %%TEST_GLOBALS%%
 
-master_process off;
 daemon         off;
 
 events {
diff --git a/http_error_page.t b/http_error_page.t
index c2c7f22..0504453 100644
--- a/http_error_page.t
+++ b/http_error_page.t
@@ -26,7 +26,6 @@
 
 %%TEST_GLOBALS%%
 
-master_process off;
 daemon         off;
 
 events {
diff --git a/http_expect_100_continue.t b/http_expect_100_continue.t
index 663dc78..649b37d 100644
--- a/http_expect_100_continue.t
+++ b/http_expect_100_continue.t
@@ -27,7 +27,6 @@
 
 %%TEST_GLOBALS%%
 
-master_process off;
 daemon         off;
 
 events {
diff --git a/http_location.t b/http_location.t
index cb887f3..90b1c44 100644
--- a/http_location.t
+++ b/http_location.t
@@ -26,7 +26,6 @@
 
 %%TEST_GLOBALS%%
 
-master_process off;
 daemon         off;
 
 events {
diff --git a/http_server_name.t b/http_server_name.t
index 763f0be..7d80e18 100644
--- a/http_server_name.t
+++ b/http_server_name.t
@@ -26,7 +26,6 @@
 
 %%TEST_GLOBALS%%
 
-master_process off;
 daemon         off;
 
 events {
diff --git a/limit_req.t b/limit_req.t
index b12edf3..9e8d9cc 100644
--- a/limit_req.t
+++ b/limit_req.t
@@ -27,7 +27,6 @@
 
 %%TEST_GLOBALS%%
 
-master_process off;
 daemon         off;
 
 events {
diff --git a/mail_imap.t b/mail_imap.t
index 1db91f1..8632c72 100644
--- a/mail_imap.t
+++ b/mail_imap.t
@@ -35,7 +35,6 @@
 
 %%TEST_GLOBALS%%
 
-master_process off;
 daemon         off;
 
 events {
diff --git a/mail_pop3.t b/mail_pop3.t
index 0b64caa..a7752df 100644
--- a/mail_pop3.t
+++ b/mail_pop3.t
@@ -35,7 +35,6 @@
 
 %%TEST_GLOBALS%%
 
-master_process off;
 daemon         off;
 
 events {
diff --git a/mail_smtp.t b/mail_smtp.t
index b6f7f29..7a5af11 100644
--- a/mail_smtp.t
+++ b/mail_smtp.t
@@ -34,7 +34,6 @@
 
 %%TEST_GLOBALS%%
 
-master_process off;
 daemon         off;
 
 events {
diff --git a/mail_smtp_greeting_delay.t b/mail_smtp_greeting_delay.t
index 1a016e7..ad49f2d 100644
--- a/mail_smtp_greeting_delay.t
+++ b/mail_smtp_greeting_delay.t
@@ -27,7 +27,6 @@
 
 %%TEST_GLOBALS%%
 
-master_process off;
 daemon         off;
 
 events {
diff --git a/mail_smtp_xclient.t b/mail_smtp_xclient.t
index 2fd6ebf..1887419 100644
--- a/mail_smtp_xclient.t
+++ b/mail_smtp_xclient.t
@@ -31,7 +31,6 @@
 
 %%TEST_GLOBALS%%
 
-master_process off;
 daemon         off;
 
 events {
diff --git a/memcached.t b/memcached.t
index fa7622b..0081ede 100644
--- a/memcached.t
+++ b/memcached.t
@@ -30,7 +30,6 @@
 
 %%TEST_GLOBALS%%
 
-master_process off;
 daemon         off;
 
 events {
diff --git a/memcached_fake.t b/memcached_fake.t
index 24be9f4..08e5355 100644
--- a/memcached_fake.t
+++ b/memcached_fake.t
@@ -27,7 +27,6 @@
 
 %%TEST_GLOBALS%%
 
-master_process off;
 daemon         off;
 
 events {
diff --git a/not_modified.t b/not_modified.t
index 38f4406..24a5d85 100644
--- a/not_modified.t
+++ b/not_modified.t
@@ -26,7 +26,6 @@
 
 %%TEST_GLOBALS%%
 
-master_process off;
 daemon         off;
 
 events {
diff --git a/perl.t b/perl.t
index 2294657..b9e33ae 100644
--- a/perl.t
+++ b/perl.t
@@ -26,7 +26,6 @@
 
 %%TEST_GLOBALS%%
 
-master_process off;
 daemon         off;
 
 events {
diff --git a/perl_gzip.t b/perl_gzip.t
index c8e63a1..8b1ff32 100644
--- a/perl_gzip.t
+++ b/perl_gzip.t
@@ -29,7 +29,6 @@
 
 %%TEST_GLOBALS%%
 
-master_process off;
 daemon         off;
 
 events {
diff --git a/proxy.t b/proxy.t
index 2a895d4..1bbd13d 100644
--- a/proxy.t
+++ b/proxy.t
@@ -27,7 +27,6 @@
 
 %%TEST_GLOBALS%%
 
-master_process off;
 daemon         off;
 
 events {
diff --git a/proxy_cache.t b/proxy_cache.t
index 2a0c390..dbfb860 100644
--- a/proxy_cache.t
+++ b/proxy_cache.t
@@ -26,7 +26,6 @@
 
 %%TEST_GLOBALS%%
 
-master_process off;
 daemon         off;
 
 events {
diff --git a/proxy_chunked.t b/proxy_chunked.t
index e626c08..618217f 100644
--- a/proxy_chunked.t
+++ b/proxy_chunked.t
@@ -33,7 +33,6 @@
 
 %%TEST_GLOBALS%%
 
-master_process off;
 daemon         off;
 
 events {
diff --git a/proxy_noclose.t b/proxy_noclose.t
index e69e9e3..13b312e 100644
--- a/proxy_noclose.t
+++ b/proxy_noclose.t
@@ -38,7 +38,6 @@
 
 %%TEST_GLOBALS%%
 
-master_process off;
 daemon         off;
 
 events {
diff --git a/proxy_store.t b/proxy_store.t
index 6a86ece..26a662c 100644
--- a/proxy_store.t
+++ b/proxy_store.t
@@ -27,7 +27,6 @@
 
 %%TEST_GLOBALS%%
 
-master_process off;
 daemon         off;
 
 events {
diff --git a/proxy_xar.t b/proxy_xar.t
index 6384c26..60e8d82 100644
--- a/proxy_xar.t
+++ b/proxy_xar.t
@@ -27,7 +27,6 @@
 
 %%TEST_GLOBALS%%
 
-master_process off;
 daemon         off;
 
 events {
diff --git a/random_index.t b/random_index.t
index 2d100b1..cdc5f2f 100644
--- a/random_index.t
+++ b/random_index.t
@@ -26,7 +26,6 @@
 
 %%TEST_GLOBALS%%
 
-master_process off;
 daemon         off;
 
 events {
diff --git a/range.t b/range.t
index 8a9dc39..19e3ed4 100644
--- a/range.t
+++ b/range.t
@@ -27,7 +27,6 @@
 
 %%TEST_GLOBALS%%
 
-master_process off;
 daemon         off;
 
 events {
diff --git a/range_flv.t b/range_flv.t
index f1a09d1..eee3ef9 100644
--- a/range_flv.t
+++ b/range_flv.t
@@ -27,7 +27,6 @@
 
 %%TEST_GLOBALS%%
 
-master_process off;
 daemon         off;
 
 events {
diff --git a/rewrite.t b/rewrite.t
index cc8acea..d86b16f 100644
--- a/rewrite.t
+++ b/rewrite.t
@@ -26,7 +26,6 @@
 
 %%TEST_GLOBALS%%
 
-master_process off;
 daemon         off;
 
 events {
diff --git a/rewrite_unescape.t b/rewrite_unescape.t
index 8367f4c..95b7383 100644
--- a/rewrite_unescape.t
+++ b/rewrite_unescape.t
@@ -26,7 +26,6 @@
 
 %%TEST_GLOBALS%%
 
-master_process off;
 daemon         off;
 
 events {
diff --git a/scgi.t b/scgi.t
index 957f892..e5f716d 100644
--- a/scgi.t
+++ b/scgi.t
@@ -29,7 +29,6 @@
 
 %%TEST_GLOBALS%%
 
-master_process off;
 daemon         off;
 
 events {
diff --git a/ssi.t b/ssi.t
index 12f10a6..5705174 100644
--- a/ssi.t
+++ b/ssi.t
@@ -27,7 +27,6 @@
 
 %%TEST_GLOBALS%%
 
-master_process off;
 daemon         off;
 
 events {
diff --git a/ssi_include_big.t b/ssi_include_big.t
index 2e0338a..7954e9a 100644
--- a/ssi_include_big.t
+++ b/ssi_include_big.t
@@ -27,7 +27,6 @@
 
 %%TEST_GLOBALS%%
 
-master_process off;
 daemon         off;
 
 events {
diff --git a/ssi_waited.t b/ssi_waited.t
index fb96fc7..c2a58f2 100644
--- a/ssi_waited.t
+++ b/ssi_waited.t
@@ -27,7 +27,6 @@
 
 %%TEST_GLOBALS%%
 
-master_process off;
 daemon         off;
 
 events {