make fotorama monolithic
Merge pull request #246 from homm/master

Make fotorama monolithic with z-index
(Manual tests)
Merge branch 'develop' of github.com:artpolikarpov/fotorama into develop
Merge branch 'master' of github.com:artpolikarpov/fotorama into develop
* Adjust animations.
* Better fit(), without Retina artefacts.
* New `thumbfit` option.
* New `thumbratio:'auto'` option.