i18n.

* Wraps strings in i18n functions. Modifies some strings to make i18n and
translation more conducive.
* Adds load_text_domain to point to languages folder in theme.
* Adds POT files with strings to translate.
Updates main pot file.
Adds ant file with tasks for building translation files.
Caught missing i18n namespace.
Merge branch 'feature/i18n' into develop