Improved README.
Improved README.

mmorey/MDMCoreData,mmorey/MDMCoreData,bfolkens/MDMCoreData,andrewchae/MDMCoreData,adhoclabs/MDMCoreData,andrewchae/MDMCoreData,andrewchae/MDMCoreData,bfolkens/MDMCoreData,adhoclabs/MDMCoreData,mmorey/MDMCoreData,adhoclabs/MDMCoreData,bfolkens/MDMCoreData