added createDevice() to handle failure when using D3D11_CREATE_DEVICE_DEBUG flag
fixed duplicate of D3D_FEATURE_LEVEL_11_0 with D3D_FEATURE_LEVEL_11_1
added #include <algorithm> for std::min and std::max for VS2013 RC
Merge branch 'dx_rt-fix' of github.com:MSOpenTech/Cinder into MSOpenTech-dx_rt_fix
Minor formatting fixes