update README
reimplemented using a new approach
add variables support
minor refactoring for clarity
dry code
update docs
add support for early variables
add test page, fix jshint
update readme
handle default strings, update demo and specs
improve readme
version 1.0.0-rc.1
Merge branch 'master' into gh-pages

Conflicts:
	bower.json
	dist/better-i18n.js
	package.json
	src/better-i18n.js