Created MustBeSingletonAttribute to help developers express intent of classes.
Working on PCL compilation error.
Rebuilt PCL library and named it MonkeyArms.Core
Removed TinyIOC sub module.
Updated project names for better organization inside solution.
Merge branch 'ForceSingleton' of https://github.com/benbishop/MonkeyArms
Merged "ForceSingletonAttribute"