Fix compiler-api example (#1303)
Fix compiler-api example (#1303)

Closes #1302 

While trying to answer #1302, I noticed that the compiler-api example did not work in (because `nameLookup` is actually at the prototype). This example has a jsfiddle that proves it is working.
It does not provide an solve the exact problem of the reporter, but it answers the question.

handlebars-lang/handlebars.js,jbboehr/handlebars.js,wycats/handlebars.js,gautamkrishnar/handlebars.js,mosoft521/handlebars.js,mosoft521/handlebars.js,wycats/handlebars.js,handlebars-lang/handlebars.js,gautamkrishnar/handlebars.js,handlebars-lang/handlebars.js,wycats/handlebars.js,handlebars-lang/handlebars.js,handlebars-lang/handlebars.js,mosoft521/handlebars.js,wycats/handlebars.js,wycats/handlebars.js,jbboehr/handlebars.js,jbboehr/handlebars.js,mosoft521/handlebars.js,gautamkrishnar/handlebars.js,mosoft521/handlebars.js