First crack at some uppercase letters

I tried some uppercase letters, working on getting a straight and
crossbar generated as proportionally larger metacomponents based on the
LC equivalents. Still not sure if that strategy will work.
Merge branch 'master' of https://github.com/noahemiller/rapidfont

Conflicts:
	fontBuilder.ufo/glyphs/crossbar.glif
	fontBuilder.ufo/lib.plist
	rapidFont.py