Moved condition variable notifications outside of locked scopes.
renaming node_gorup_size to group_size
removing unused function
Added useful error message in case of trying to build outside of super-project.
Merge branch 'next' of github.com:maidsafe/MaidSafe-Routing into next

Conflicts:
	src/maidsafe/routing/tests/matrix_change_test.cc
Merge branch 'next' into matrix_change_test
resolve a problem after merging branch
Merge branch 'next' into matrix_change_test