commitmonitor Code

Build CM as a 64-bit app.
Patch from XhmikosR, fixed and tweaked by me.
Update issue #301
Build now works with x64, but app doesn't run yet.

* add an empty line after the license header
* remove unneeded empty lines at the end of files
* use the right case for the includes
* always use <> for system headers
* update ext/Versions.txt

Increase the max number of log entries to keep to 100000, but keep the default as 1000.
(Closes issue #350) : Higher "Max No. of log entries to keep"

(Closes issue #322) : export repository state

Rename a lot of classes and methods.

Fix loading of urls file.

Merge the MultiSCCS branch to trunk and fix some minor merge conflicts.

(Closes issue #275) : Ability to monitor commits of certain users

* add a new section in the URLs dialog which takes a list of users to include

Don't save the urls file if the project list is empty.

(Fixes issue #267) : write-errors to url file are ignored

convert tabs to spaces.