commitmonitor Code

(Closes issue #2) : Add export/import conf file support
* add class to encrypt sensitive data in the exported file
* add class for ini files
* add new dialog to enter a password for encryption
* add exporting/importing functions to the CUrlInfos class

(Closes issue #185) : mark all as read action

(Closes issue #184) : Allow to mark a change as new/unread
* add command to set the state of an item as unread.
* only mark an item as read when the item gets selected, not unselected.

(Closes issue #161)
* add option for showing the context menu on a left click on the tray icon so the user can disable this.

Closes issue #153
* use the accelerator table in the main dialog
* extend the accelerator table
* handle the ID_POPUP_MARKALLASREAD command in the main command handler

Closes issue #154
* add option to limit the number of log entries kept for each monitored url
* increment the version number for the urls data
* only save the max. number of log entries

Fixes issue #123
* add boolean state to the CUrlInfo class
* add context menu for the tree control to enable/disable monitoring
* show a gray icon if the project is not currently active (i.e., monitored)
* skip checking the project if it's not monitored

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

Fixed issue #130: Change request: don't animate on connect errors

Add option to disable notifications on connection errors.

Use a different tree icon if checking for updates failed.