updated to the new pikotools api: [ezc out] and [out] changed to [ezc frame] or just [frame]

- when returning json streams changed "out" field to "frames"
- renamed config parameter: allow_ezc_out_in_executable_items -> allow_ezc_frames_in_executable_items
- added basic support for ajax requests in thread plugin

winixd/core/config.h

@@ -638,7 +638,7 @@ public:
 
  	// how many output streams do we have in Request class
 	// those streams used in ajax responses
-	// you can use no more [ezc out] statements than this limit
+	// you can use no more [ezc frames] statements than this limit
  	// default: 128
  	size_t ezc_out_streams_size;
 
@@ -758,10 +758,10 @@ public:
  	// pid file is saved after winix has dropped privileges
  	std::wstring pid_file;
 
- 	// allow to use [ezc out] statement in executable items (used in 'run' winix function)
+ 	// allow to use [ezc frame] statements in executable items (used in 'run' winix function)
  	// default false
  	// warning: if you enable this options a user can override a different output stream when using ajax
-	bool allow_ezc_out_in_executable_items;
+	bool allow_ezc_frames_in_executable_items;
 
 
 	// check whether there is a 'log_proxy_ip_header' header