Fixed two small bugs.

Missed one place where the cancelButton in GeoGitRepoInfo was when I was changing it to be a part of the class.
Fixed a problem with the GeoGitHistory where in some circumstances the branch name would be "true" instead of the actual name.
Merge commit 'b8080900babab958913d318a662eccae9c3391ad'
add the colorpicker ux see ROGUE-JCTD/salamati/issues/92
Fixed a few issues.

Fixed an issue with the history panel not reloading after a commit is made.
Fixed it so that Auto-Sync will sync after the first timeout interval of 30 secs.
Made it so that if there is an empty dateTime field it will automatically set it to today's date and time.
Added a button that allows you to edit a point features geometry by setting a lat/lon position.
Merge commit '3cbd0d5c9f61d9d0c7f8880862648369fdb17a62'
Fixed an issue with the color picker css not being included properly.

Added a fix to gxp that Bart pointed out for the reordering of layers opening the style legend.