Adds PassThroughHandler
Disable line smoothing in plotter on GLES
clang-3.5 fixes
Merge branch 'upstream-master'

Conflicts:
	include/pangolin/handler.h
	include/pangolin/vars.h
	src/handler.cpp
	src/plotter.cpp
Remove AndroidUtils helpers.
Adds cmath for std::log
Fixes a type conversion error
Merge pull request #4 from arpg/fix-narrowing

Fixes a type conversion error
OpenNI2: Don’t fail when only one sensor is used
Turn exception into std::cerr output
Move video conversion code into new class

- This will allow us to reuse it for other VideoInterface classes.
Enable format conversions for multiple streams
Merge remote-tracking branch 'origin/devel' into devel