Fix for #292: Allow selecting non-math topics with exercises for viewing coaching data.
updated .gitignore
Added a pop-up window to confirm before deleting the videos
Typo Corrected
made User Interface and Internationalization changes
Moving crypto_login to distributed app (doesn't fit real meaning of securesync, and central part is in central app)
Start removing dependencies of securesync on anything but annoying and fle_utils
Refactoring VERSION and test code.
Fixing bug in serializer reference.
removed cross sign from title bar
Merge branch 'develop' of github.com:learningequality/ka-lite into securesync-refactor
Fixed import reference bugs, removed unnecessary try...except blocks.
Merge pull request #1670 from codemania113/issue_1016

Delete videos confirmation dialog box
Moving securesync into python-packages
Removing central-only code and resources
Remove broken double-import in updates
Remove broken double-import in updates
fix import of chronograph.Job model
Merge pull request #1681 from bcipolli/securesync-refactor

Securesync refactor
Merge pull request #1684 from bcipolli/central-refactor

Central refactor