added renaming functionality of loaded module to lmap

BUG=
R=scudette@gmail.com

Review URL: https://codereview.appspot.com/97610043
* Removed remaining traces of kdbg fallbacks.
* Updated repository URLs to point to github.
* Refactored the win32 address space to make it clearer.
* Fixed a bug in the FastStore which affected EWF address space.
Merge branch 'master' of https://rekall.googlecode.com/git into kdbg_cleanup
Merge pull request #2 from google/kdbg_cleanup

Kdbg cleanup