commitmonitor Code

When adding log entries to the list control, only add entries that match the filter string.
This fixes issue #75.

Update issue #75:
* add label and edit box for filtering
* handle resizing/repositioning of the two new controls

Fixed issue #132: Commit Monitor "About" information Issue

Kill the refresh timer before showing the about dialog, restore the timer afterwards.

Fixed issue #135: Store the position of the splitters when you close the window

Store the slider positions when in maximized state separately.

Fixed issue #68: Clearing "could not connect" message marks an item read

Use a different tree icon if checking for updates failed.

Use the correct struct for the tree view.

Block the custom drawing of the tree view when it is re-arranged.
Fixed issue #125: Crash after "edit project settings"

Remove unused variable.

Save the url info after removing a project.