* git://ozlabs.org/~paulus/gitk:
gitk: On OSX, bring the gitk window to front
gitk: Add support for -G'regex' pickaxe variant
gitk: Add menu item for reverting commits
gitk: Simplify file filtering
gitk: Display the date of a tag in a human-friendly way
gitk: Improve behaviour of drop-down lists
gitk: Move hard-coded colors to .gitk
f74455ab21