* add optional support for Frosty Flake rev 20130602
* update documentation with instructions on building for rev 20130602
* support revisions using subfolders instead of preprocessor directives
* rules.mk cleanup
* make bpiphany directory with simple readme file
* move unloved_bastard to bpiphany directory
* move frosty_flake to bpiphany directory
* move pegasushoof to bpiphany directory
* move tiger_lily to bpiphany directory
* add a little more info to readme
* move kitten_paw to bpiphany directory
* update make instructions
* update intro text
* add missing routines to matrix.c of unloved_bastard
* add missing routines