gd Map overlays for AOI, TSG
Merge branch 'master' of https://github.com/wesnoth/wesnoth-old.git
Updated gd overlay for AOI map
Added titlescreen overlay for gd
Merge branch 'master' of https://github.com/wesnoth/wesnoth-old.git
Merge branch 'master' of https://github.com/wesnoth/wesnoth-old.git
Added gd map localization for HTTT and fixed exported .png overlays for other gd campaign maps.
Fixed gd map overlays for AOI, TSG
Merge pull request #91 from gunchleoc/master

gd Map overlays for AOI, TSG