style updates
Merge remote-tracking branch 'origin/style' into next

Conflicts:
	src/maidsafe/data_store/tests/data_store_test.cc
	src/maidsafe/data_store/tests/memory_buffer_test.cc
	src/maidsafe/data_store/tests/permanent_store_test.cc
	src/maidsafe/lifestuff_manager/process_manager.cc