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_string.c
+++ b/src/core/ngx_string.c
@@ -381,7 +381,7 @@ ngx_vslprintf(u_char *buf, u_char *last,
 
                     /*
                      * (int64_t) cast is required for msvc6:
-                     * it can not convert uint64_t to double
+                     * it cannot convert uint64_t to double
                      */
                     ui64 = (uint64_t) ((f - (int64_t) ui64) * scale + 0.5);