Merging r4132, r4134, r4143, r4183, r4191, r4199: Various fixes related to error messages: *) Removed old warning that suggested to use "server_name_in_redirect off" (now the default) in place of no longer supported "server_name *". *) Fixing directive name in error message if types hash size is not enough. *) Replaced "can not" with "cannot" and "could not" in a bunch of places. Fixed nearby grammar errors. *) Overhauled error messages.

--- a/src/core/ngx_cycle.c
+++ b/src/core/ngx_cycle.c
@@ -739,7 +739,7 @@ old_shm_zone_done:
         ngx_temp_pool = ngx_create_pool(128, cycle->log);
         if (ngx_temp_pool == NULL) {
             ngx_log_error(NGX_LOG_EMERG, cycle->log, 0,
-                          "can not create ngx_temp_pool");
+                          "could not create ngx_temp_pool");
             exit(1);
         }