* Complete integration of all static init specials into new special system
* Converted line_t::special to int
* Refactored ExtraData special-for-name functionality
* Broke up massive ev_specials into multiple modules

git-svn-id: http://mancubus.net/svn/hosted/eternity/trunk@2370 86ba831e-150c-0410-ab35-e06eaae15ed9