Merge git://ozlabs.org/~paulus/gitk

* git://ozlabs.org/~paulus/gitk: gitk: Recognize -L option gitk: Support showing the gathered inline diffs gitk: Split out diff part in $commitinfo gitk: Refactor per-line part of getblobdiffline and its support gitk: Support -G option from the command line gitk: Tag display improvements