Style
Rename
Rename
Rename
Remove the user manual PDF, and link the online documentation instead
Delete libquazip.a
Merge pull request #264 from mapreri/change-help

Remove the user manual PDF, and link the online documentation instead
Merge branch 'master' into dev
Cleanup
Cleanup
Cleanup
Hide member variables
Cleanup
Remove LayerImage.
Remove Editor::getCurrentLayer() method
Unify currentFrame usage
Init value
Fix failed to load first frame.
Error message
Refactor