Faster hoganEscape
Faster hoganEscape

See http://jsperf.com/hogan-escape/4 for a comparison of this method
with the previous method using a short string that needs escaping.

See http://jsperf.com/hogan-escape/5 for a comparison of the two
methods with a long string that needs no escaping.

kavallo/hogan.js,sresoft/thengrow,bariders/hogan.js,pornel/hogan.js,sresoft/thengrow,sresoft/thengrow,pedroha/hogan.js,margaritis/hogan.js,twitter/hogan.js,kavallo/hogan.js,ahumphreys87/iBars,pedroha/hogan.js,paulwib/hogan.js,sresoft/thengrow,pornel/hogan.js,paulwib/hogan.js,bariders/hogan.js,twitter/hogan.js,ahumphreys87/iBars