[MP/SP] Fixed LoadTGA on big endian platforms.
Merge pull request #520 from BSzili/master

[MP/SP] Fixed LoadTGA on big endian platforms.
[MP] Check for tempSpectate consistently across the code.
[MP] Added some extra temp spectate checks.
[MP] Fix a bunch of array comparisons to null which have no effect.
[MP] String safety fixes in bg_saga
[MP] Fix a menu error reporting about SP's text file.
[JK2SP] Removed the C++11 dependency from g_savegame.cpp.
[JK2SP] G_Timer.cpp no longer uses <unordered_map>.
Merge pull request #521 from BSzili/master

[SP] Removed the C++11 dependency from the JK2SP game.
[MP] Remove unused extern qboolean charSet.
[MP] Merge ioquake/ioq3@89f7863254d343528d5834cd8bb0929776a3e79b
bugzilla bug #5273
exploit resolved, we're now disallowing forwardmove of -128 and vice versa

Thanks, devhc!
[JK2SP] Removed unused pointer variable.
[MP] Fix crash when drawing input fields
[SP] Fixed GL_ResetBinds when no multitexture extensions are available.
[MP] Fixed GL_ResetBinds when no multitexture extensions are available.
Merge pull request #522 from BSzili/master

Added a safety check to GL_ResetBinds for multitexture extensions.
[SP] Merge fix to JASP so that NPCs can pick up bowcaster/repeater.
[JK2SP] Minor cleanup in g_itemLoad.cpp
[MP] Adds sv_blockJumpSelect cvar defaulting to 1.
Potentially blocking the use of modded client to set FP_LEVIATHAN to ucmd::forcesl and using +useforce.
Might interfere with their normal selection but they are trying to cheat so..