Merge pull request #5 from quaker66/master

check_enet compatibility fix
upstream imports part 1/2 - cherry pick model scale change for now.
also remove md2 model support.
move packages/ to media/ and data/ to config/ and otherwise reorganise some things
use screen size to determine cursor movement for UI
upstream imports part 2/2
synced to SVN revision 67
worldpos should not lag behind the crosshair
remove superfluous DUDV textures
misc fixes
update codeblocks file
remove old broken macros
RPG variants of exec* commands to inhibit IDF_PERSIST
upstream imports r70
upstream imports r76
material config menu
fix crouching and enable animations
upstream imports r102
upstream imports r103
cleanup entity text helper
upstream imports r119, among other things, the number of animations were increasded to 512
misc cleanups and cherry pick commits 132, and 141
upstream imports r124