Remove font sizes from stylesheet, respect user / system settings regarding font sizes.
Merge pull request #462 from est77/stylesheet_no_font_size

Remove font sizes from stylesheet
Updated build status link
Enable CLI build
Run CLI's unit tests
add diaphragm_map input to ThinLensCamera
Merge pull request #463 from flexwang/diaphragm_map

Add ability to define custom bokeh shapes with a texture
small code tweaks.
renamed reference image.
Moved ParamArray::merge to Dictionary base class.
Fixed wrong comment.
Merge pull request #464 from est77/est

Moved ParamArray::merge to Dictionary base class.
CI build finished and tests passed.