WIP.
Tied to drive fixes.
Removing nfs dependency, WIP.
Merge remote-tracking branch 'origin/next' into sure_stuff

Conflicts:
	include/maidsafe/encrypt/self_encryptor.h
	src/maidsafe/encrypt/self_encryptor.cc
Couple of minor bugfixes.
Minor Gcc compilation fix
Couple of minor bugfixes.
Changed to match updated dependencies' names.
Updated to use SureFileStore in tests.
Linux compilation fix (thanks clang !!).