Update README.md
Changes to match updates in NFS.
Merge remote-tracking branch 'origin/master' into next
Merge branch 'vault' into next
Changed to match updates in Common.
log message when throw CommonErrors::invalid_parameter
Added macro to handle defining data types enum.
Fixes for Clang and GCC builds.
Merge branch 'macro_enums' into next
Merge remote-tracking branch 'origin/next' into drive_split

Conflicts:
	include/maidsafe/data_store/local_store.h
	include/maidsafe/data_types/data_name_variant.h
	include/maidsafe/data_types/data_type_values.h
	src/maidsafe/data_store/tests/local_store_test.cc