Resolves #343 GUI and Frame Refactor

Major rewrite of the GUI into a module and view form, also using a new Feed class. The frame and frameset data structures have also been rewritten to support memory pooling and response frames.

applications/vision/src/main.cpp

@@ -168,12 +168,13 @@ static void run(ftl::Configurable *root) {
 			if (encodable.count(c)) {
 				sender->post(fs, c);
 			} else {
-				switch (c) {
-				case Channel::Colour		:
-				case Channel::Colour2		:
-				case Channel::Depth			: sender->post(fs, c, true); break;
-				default						: sender->fakePost(fs, c);
-				}
+				//switch (c) {
+				//case Channel::Colour		:
+				//case Channel::Colour2		:
+				//case Channel::Depth			: 
+				sender->post(fs, c, true); //break;
+				//default						: sender->fakePost(fs, c);
+				//}
 			}
 		}
 		return true;