Initial work on tool to allow single filesystem commands.
Merge remote-tracking branch 'origin/next' into filesystem_tool

Conflicts:
	CMakeLists.txt
	src/maidsafe/drive/tools/tool_main.cc
Updated for Unix.
Silence compiler warning (unused variable) as var only used in catch macro
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
Merge remote-tracking branch 'origin/filesystem_tool' into fuse