Changed weight in BPTPathVertex
Modified bpt.subpath.h
Changed bpt.fullpath.h
Modified bpt.subpath.cpp
WIP : Adding some functions in BPT related classes
Modified BPT related files
Added Math::LInfinityNorm for Math::Vec2
Added a test
WIP : Implementing termination mode selection
WIP : Termination mode
Refactored progress bar
WIP : Implementing texture mapping
Implemented texture mapping
Fixed some compilation error in linux environment
Passed all tests
WIP : Implementing environment light
WIP : Environment light
WIP : Implementing enviroment light
WIP : Implementing environment light
WIP : Implementing environment light