graphics: basic terrain passibility
atlas: lots of changes to make atlas compile under linux
unix/X: more clipboard support - copy from 0AD to other programs
unix/debug: use sys_get_executable_name instead of hard-coded paths
... and lots of other misc. changes
This was SVN commit r4640.
Territories: Fixed memory leaks.
Atlas: New section-toolbar. Fixed colour of brush grid. Moved open/save
into File menu. Added 3D-ish lighting control. Added 'busy'
notifications.
This was SVN commit r4079.