Fixes #3396195. Note: GTK+ 2.24 is the current maintained version of the developer files bundle: http://www.gtk.org/download/win32.php
Moved the parsers to MIO, which allows both in-memory and file parsing. git-svn-id: https://geany.svn.sourceforge.net/svnroot/geany/trunk@5555 ea778897-0a13-0410-b9d1-a72fbfd435f5