Further work on unix_drive.
Merge remote-tracking branch 'origin/fuse' into next
Added Mount overload for non shared memory objects.
Merge branch 'next' of github.com:maidsafe/MaidSafe-Drive into next

Conflicts:
	src/maidsafe/drive/local/local_drive.cc
Updated to match changed CMake functions.
Merge remote-tracking branch 'origin/next' into bugfix