added tess2, osx & ios builds working
chmod -x on formula scripts
make sure to remove downloaded zips/tgzs
added cairo forumla; apothecary: build and lib dest dirs are now settable
remove ffi
osx & ios builds now working; apothecary: added verbose flag, added FORUMLA_TYPES array, various path fixes; forumlas: cleaned up/fleshed out TODOs, expanded per formula build system info in comments, lots of little fixes here and there
move command handling code into doCommand()