Fix #1118 : API does not return records starting at right offset
Fix #1041 Keep video aspect ratio when extracting thumbnail using canva
Update Imagine and Media-Alchemyst dependencies
Merge pull request #319 from romainneutron/api-offset

[3.7] Fix #1118 : API does not return records starting at right offset
Use --prefer-source for travis composer installation
Revert comparison
Remove ratio = 1 as default
Fix sub views substitution
Fix #1107 : Add caption and preview to order manager
Fix #1124 : Rollover pictures lost their ratio
Merge pull request #323 from romainneutron/fixes-3.7.8

[3.7] Fixes 3.7.8
Merge pull request #320 from nlegoff/fix_1041

[3.7] Fix #1041 Keep video aspect ratio when extracting thumbnail using canva
Subsitution cleanup && test enhancement
Fix typo
Merge pull request #322 from nlegoff/fix_1111

[3.7] Fix #1111 sub views substitution is broken
Bump to version 3.7.8
Merge branch '3.7'