Rename "[Mm]ethod(s)" to "[Ff]unction(s)"

Only methods as programming functions are affected. Besides renaming
some actions like "Switch Between Function Declaration/Definition" this
mostly touches (api) code comments.

This is a follow-up patch to commit 872bfb7.

Change-Id: Icb65e8d73b59a022f8885b14df497169543a3b92
Reviewed-by: hjk <hjk121@nokiamail.com>

src/plugins/valgrind/callgrind/callgrindparser.h

@@ -58,7 +58,7 @@ public:
     explicit Parser(QObject *parent = 0);
     ~Parser();
 
-    // get and take ownership of the parsing results. If this method is not called the repository
+    // get and take ownership of the parsing results. If this function is not called the repository
     // will be destroyed when the parser is destroyed. Subsequent calls return null.
     ParseData *takeData();