* PSX line flags
* ev_mapspecials command to print out line specials in a map

git-svn-id: http://mancubus.net/svn/hosted/eternity/trunk@2757 86ba831e-150c-0410-ab35-e06eaae15ed9
* Updates to 2010 project
* Fix a potential regression in ExtraData linedefs from refactoring last night.

git-svn-id: http://mancubus.net/svn/hosted/eternity/trunk@2758 86ba831e-150c-0410-ab35-e06eaae15ed9