Update of libs to 1.7.

Will split after I get 1.7 working.
[Version Control System] Subversion

Fixed up exclude.addins not allowing dlls to load. Updated projects.
Moved RootPath to UrlBasedRepository as it is used in all supported vcs systems.
Modified .svn directory lookup.
[Version Control System] Fixed base file data mining.

Thanks Alan! <3
[Version Control System] Finished 1.7 port for Windows.
[Version Control System] Fixed a SharpSvn Exception on newly added files.
Encoding text fixes.
Change usage to Cat for getting base file.
Merge branch 'svn17' of https://github.com/Therzok/monodevelop into svn17