Bug 913401 - Don't reparse simple strings in ComplexString expressions. r=gandalf
Bug 913401 - Don't reparse simple strings in ComplexString expressions. r=gandalf

(cherry picked from commit 9aa27905f0c80d1ba1337a27df3a93bd5286ef33)

Conflicts:
	lib/l20n/compiler.js

zbraniecki/l20n.js,Swaven/l20n.js,mail-apps/l20n.js,Pike/l20n.js,Pike/l20n.js,projectfluent/fluent.js,projectfluent/fluent.js,zbraniecki/fluent.js,projectfluent/fluent.js,mail-apps/l20n.js,zbraniecki/fluent.js,l20n/l20n.js,stasm/l20n.js