Don't buld with OGG Vorbis by default
Added Rend2, an alternate renderer. (Bug #4358)
(cherry picked from commit 4f7eb9fa218955dd8c8a86148191f102e28947c9)
Fix restoring fs_game when default.cfg is missing.
(cherry picked from commit d092ba66279aa79e2959cd88c8aaa8a1a3f79893)
From /dev/humancontroller:
when hard-linking renderers, put the old renderer (not the new one) into the "ioquake3" executable, and use a distinguished "ioquake3_rend2" executable for the new renderer
(Fixes bug #5789.)
(cherry picked from commit b5eb31b4f6e96b8ddb5c850e1e29c5c9974e6558)
Remove initializing "sv_mapname" cvar in game. It's set to "" and never used.
(cherry picked from commit 36c30f678215b402247c686eb99aa8247fde8fdc)
Fix some non-ASCII characters.
Patch originally by /dev/humancontroller, modified by me.
(cherry picked from commit 32d1bc4f2a84e586dd819b380b4554cca6659a6a)
Show reason non-default renderer failed to load.
(cherry picked from commit faa0cb04c175256f96099f3f95b5a470af766cc2)
Disabled old FRAMEBUFFER_AND_GLSL_SUPPORT as it is unsupported together with new render2 renderer