Merge pull request #20 from punkkeks/master

Fixed big_int_impl
Speed optimization
Merge branch 'master' of https://github.com/sphair/ClanLib
Add quaternion tests for euler angles
Merge branch 'master' of https://github.com/sphair/ClanLib
Adjust the Input example to use the SlotContainer. Example now works again
Optimize clan::Mat4f::rotate() using euler angles by creating a clan::Mat3f::rotate() with the euler angle specialization
Add Vec3 parameters for the matrix scale_self and translate_self functions
Fix the SSE2 for the matrix scale_self
Fix and enable the SSE2 code for Mat4f translate_self
Fixed bug in the Mat4 transpose function, and created SSE2 version for floats
Replaced get_origin_[xyz]() with get_translate() and added set_translate() helper
Improved documentation in string_format.h
Merge pull request #22 from Pyrdacor/master

Improved documentation in string_format.h
Removed clanGameIDE
Removed clanPhysics2D
Removed clanCompute
Removed clanGUI
Removed clanGameIDE include
Removed unused header