Make fewer assumptions about Apache

Returning CheckCode::Safe is too aggressive for a supplemental check.
Admins can change the directive in top-level configuration, anyway.

modules/exploits/unix/webapp/jquery_file_upload.rb

@@ -92,12 +92,10 @@ class MetasploitModule < Msf::Exploit::Remote
         res.headers['Server'] =~ /Apache\/([\d.]+)/ &&
           $1 && (a = Gem::Version.new($1))
 
-        # We have to make some assumptions about configuration here
         if a && a >= Gem::Version.new('2.3.9')
-          vprint_good("Found Apache #{a} (AllowOverride None)")
+          vprint_good("Found Apache #{a} (AllowOverride None may be set)")
         elsif a
-          vprint_error("Found Apache #{a} (AllowOverride All)")
-          return CheckCode::Safe
+          vprint_warning("Found Apache #{a} (AllowOverride All may be set)")
         end
       end