Fixed some errors in core_how_to_hack_chipkit_core.html documentation (mklink /D). Added additional learned details and edited out (moved to the bottom of the document) some of the extraneous information to get right to the meat of the topic.
Fixed some errors in core_how_to_hack_chipkit_core.html documentation (mklink /D).
Added additional learned details and edited out (moved to the bottom of the document) some of the extraneous information to get right to the meat of the topic.

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