Added the first working prototype of i18n pages
adds demo files to git, so we can compare results after changes
* externalizes logic for i18n "file reader"
* mixes in `_.expand()` method, to allow JSON-embedded templates to use glob patterns
make function more flexible so that different patterns can be specified for each target
Merge pull request #1 from jonschlinkert/master

externalizes logic (prep for "pluginizing" it)
Merge pull request #4 from LaurentGoderre/master

Added the first working prototype of i18n pages