Prep for v2.1.0 release of core
Prep for v2.1.0 release of core

majenkotech/chipKIT-core,chipKIT32/chipkit-core,chipKIT32/chipkit-core,majenkotech/chipKIT-core,majenkotech/chipKIT-core,majenkotech/chipKIT-core,adamwolf/chipKIT-core,chipKIT32/chipkit-core,majenkotech/chipKIT-core,adamwolf/chipKIT-core,adamwolf/chipKIT-core,chipKIT32/chipkit-core,chipKIT32/chipkit-core,adamwolf/chipKIT-core,adamwolf/chipKIT-core,majenkotech/chipKIT-core,adamwolf/chipKIT-core,majenkotech/chipKIT-core,adamwolf/chipKIT-core