commitmonitor Code

(Closes issue #103) : "Automatically create diffs of commits" was useful option

(Closes issue #231) : Go to Repository Browser or Log window from Commit Monitor

(Closes issue #240) : GENERATE REPORT
* add menu to copy the selected entries to the clipboard

(Closes issue #237) : Diff options

(Closes issue #170) : Enhancement: Provide a command to create new project by copying it from an existing project

(Closes issue #205) : Enhancement: Refresh single node

* introduce variable for single url. In the refresh thread, only work on that url if it is set.
* add menu for "check now" to the tree view items which only check that selected item.
* rename "refresh all on next check" to "refresh all".

Extend the frame for the rest of the dialogs.

(Closes issue #160) : Enhancement - add toolbar button to "mark node as read"

(Closes issue #212): Fix tab order.

(Closes issue #189) : Snarl notification
* register CM with snarl
* register three different notification classes