pull support (ff-merge or conflict-free merge-commit)

more info in commit popup

Breaking Change

• MacOS config directory now uses ~/.config/gitui [@remique] (#317)

Added

• support for pull (fetch + simple merging) (#319)
• show used char count in input texts (#466)
• support smoother left/right toggle/keys for commit details (#418)
• support force push command [@WizardOhio24] (#274)

Fixed

• don't close branchlist every time (#550)
• fixed key binding for external exitor in vim key bindings [@yanganto] (#549)
• fix some potential errors when deleting files while they are being diffed (#490)
• push defaults to 'origin' remote if it exists (#494)
• support missing pageUp/down support in branchlist (#519)
• don't hide branch name while in commit dialog (#529)
• don't discard commit message without confirmation (#530)
• compilation broken on freebsd (#461)
• don’t fail if user.name is not set [@cruessler] (#79) (#228)