implements serializers
added msgpack serializer
migrate yaml -> silas config.py
migrate yaml -> silas salt/fileclient.py
migrate yaml -> silas salt/cloud/
migrate yaml -> silas salt/pillar/
migrate yaml -> silas salt/modules/
migrate yaml -> silas salt/states/
migrate yaml -> silas salt/utils/
migrate yaml -> silas salt/renderers/
migrate yaml -> silas remaining files
migrate yaml -> silas fix remaining bugs