Changes and fixes

• Added Git LFS support
• Added diff highlight
• Added labels to some buttons to inform about their keybindings.
• Added date time formatting settings.
• Implemented SSH credentials caching.
• Removed commits limit in the log (implemented lazy loading)
• Reduced recent repositories height and added relative pathing to the parent directory
• Added log refresh after deleting stash
• Added stashes visualization in the graph
• Added automatic snapshot of uncommited changes before merge
• Copy Branch Name
• Gravatar usage can be now disabled. When used, now the email addresses are hashed using SHA256.
• In rebase interactive, fixed clicking on another input field (Reword) crashes the app
• In rebase interactive, fixed rewording multiple commits inverses messages and puts them on the wrong commit
• Fixed unnecessary refreshes when opening files, which could end up in infinite loop in certain repositories/systems.
• Added separator to branches context menu
• Fixed line in commit graph not scaling
• Fixed crash when pushing a new branch due to bug in LFS
• Fixed updates check not repeating requests when required
• Fixed commit/merge/rebase button being disabled when filtering all items