Merge branch 'master' of https://github.com/mattt/TTTAttributedLabel
.

Conflicts:
	TTTAttributedLabel/TTTAttributedLabel.h
	TTTAttributedLabel/TTTAttributedLabel.m
	TTTAttributedLabelExample/TTTAttributedLabelExample.xcodeproj/xcuserdata/mattt.xcuserdatad/xcschemes/Espressos.xcscheme
fixing warnings
removing unnecessary array accessing
tweaking background fill size
more performant
cleanup
a mutable dictionary is a dictionary
presize dictionary