Low pass filter API tweak
Merge branch 'master' of https://github.com/eile/vmmlib

Conflicts:
	include/vmmlib/lowpass_filter.hpp
Merge branch 'master' of https://github.com/VMML/vmmlib
Merge pull request #36 from tribal-tec/master

getDimension() for aabb, tabs2spaces
Ray/sphere intersection
Low pass filter: cache filtered value, implement more convenient accessors
Merge pull request #37 from eile/master

low pass filter improvements
Simplified Intersection constructor method.
Merge branch 'master' of https://github.com/VMML/vmmlib
Fixed lowpass filter test after changes in add() method.
Merge cleanups
Fix build
Merge pull request #38 from eile/master

Ray/Sphere intersection test
Fixed operator << for tensor4
Fixed consistency of boolean result of every test
Removed outdated file
Uncommented calling of matrix_test
Fix clang build