submodule init
push
First google benchmark test
benchmarking
Benchmarking omage container
Fix cmake
cleanup
Double check of the benchmark install path (error if not installed)
cleanup
cpp11 required
Merge pull request #790 from dcoeurjo/benchmark

Adds google/benchmark dependency
fixing pb by using PointListReader and GenericWriter together (operator >>)
fix ppm writer which was not fine
typo correction in doc
Fix problem in KhalimskySpaceND::uFaces. Add test.
Fix problem in KhalimskySpaceND::uCoFaces. Add test.
Remove dead code.
Merge pull request #797 from JacquesOlivierLachaud/FixFaces

Fix faces
add in GenericWriter a template partial specialisation for functor HueShadeColorMap (in order to separate PNM and PGM writer which use different functor scalar-> scalar and Scalar->Color
Cleaning some function doc