Fix download button waiting if document has started but not completed downloading
Added CSS rules to allow smooth (momentum) scrolling on iOS devices
Merge pull request #4516 from dferer/ios-scrolling

Added CSS rules to improve scrolling on iOS devices
Merge pull request #4455 from aib/master

Fix download button waiting if document has started but not completed downloading
Sync l10n files
Refactors history and how the database is stored
Merge pull request #4559 from yurydelendik/history

Refactors history and how the database is stored