Add 2 new files and modify photoeffects.hpp
changed vignette_test.cpp
modified 3 files
Vignette implementation
modified vignette implementation
Added warmify implementation and 2 files of rst-documentation
Changed photoeffects.hpp and vignette.cpp
deleted 3 files
Modified vignette.cpp and added vignette_sample.cpp
a few changes of vignette_sample.cpp
Vignette.cpp was change by format code requirements
changed google tests
vignette_sample.cpp was be changed
implementation of vignette and vignette_sample was be increased
Processing arguments in sample was be added
Image added to rst-documentation
Sample and implementation was be changed by according notes
Documentation was be deleted
vignette_sample was corrected by according notes
tests was be corrected