filetype_extensions.conf and ignore.tags. These files are also
reloaded automatically when saved.
- Code changes:
Make app->configdir a realpath().
Add ui_add_config_file_menu_item().
Add utils_build_path(), similar to g_build_path() but (re)using a
fixed buffer, so the result is never freed.



git-svn-id: https://geany.svn.sourceforge.net/svnroot/geany/trunk@3279 ea778897-0a13-0410-b9d1-a72fbfd435f5