Hardening - Fix many bugs

Hardening - Fixed many bugs

Hardening

Merge pull request #318 from okorach/import-unit-tests

Import-unit-tests

Hardware acceleration support and slideshow improvements

• Hardware (GPU) acceleration is used if compatible graphic card detected
• Several improvement around slideshows

Fix slideshow, panorama and zoom video generation

Fix zoom, panorama and slideshow so that the photo movement is smooth and slow

mp3 encoding and improved logging

v0.16

bump version

Minor bug fixes

v0.15.2

Bump version

Refactoring and bug fixes

v0.15.1

Fixes #269

60% code coverage

Merge pull request #253 from okorach:increase-coverage

More tests

Unit tests and performance

Merge pull request #248 from okorach:smart-rescale-zoom

smart-rescale-zoom

Stack and posterize

Merge pull request #221 from okorach:add-bg-to-package

add-bg-to-package