throwing not_connected exception if failed to join network.
Merge remote-tracking branch 'origin/next' into refactor
refactor ServiceTest to follow the correction in DataGetterService
Merge remote-tracking branch 'origin/next' into refactor
Compiler fixes for MSVC.
Fixed bug relating to MaidNodeNfs uninitialised members.
included nfs network tests to network_test_nfs target.
Fixed CMake weekly test target issue.
Merge branch 'next' into response_error

Conflicts:
	src/maidsafe/nfs/tests/maid_node_nfs_test.cc
TipOfTree return code.