clone dialog: #2248
add hyperlinking for html and css
nits
Merge remote-tracking branch 'upstream/master' into 2248-clone-dialog
fix an npe
Merge pull request #2357 from devoncarew/devoncarew_npe

fix an npe
Cleanup of dialogs
Merge pull request #2349 from dinhviethoa/2248-clone-dialog

clone dialog UX improvements
Fixed exception in dialogs
Merge pull request #2362 from dinhviethoa/fix-dialogs

Fixed exception in dialogs
#2248: improved all git dialogs
fix an issue with spark not starting up
fix an issue with spark not starting up
Merge pull request #2367 from devoncarew/devoncarew_fix_startup

Devoncarew fix startup
Move treeDiff code as a separate command.
cleanup.
Make checkout use Diff.diffTree instead of merge.diffTree.
cleanup git merge.
fix visibilit issues in the outline view
review comments