Remove use of WINAPI macro to fix compile under MSVC.

Subversion-branch: /trunk/chocolate-doom
Subversion-revision: 2602
Refactor handling of novert to take place at the lower layers rather
than in the game code. This makes the behavior closer to Vanilla and
stops the mouse affecting the menus when novert is enabled (thanks
manny).

Subversion-branch: /trunk/chocolate-doom
Subversion-revision: 2606
Fix OPL MIDI playback on big endian systems (thanks GhostlyDeath).

Subversion-branch: /trunk/chocolate-doom
Subversion-revision: 2607
- Update codeblocks projects
- Remove missing setup-manifest.xml file inclusion from setup-res.rc
file

Subversion-branch: /trunk/chocolate-doom
Subversion-revision: 2610