Hebrew translations
Add escaping functions, based on semantics of what is being escaped
Use new escape functions
Remove old/unused help text
Remove empty en_CA translation
Remove non-translations from en_US to reduce memory requirements
Remove non-translations from en_GB to reduce memory requirements
Remove non-translations from en_AU to reduce memory requirements
Remove empty translation en_CA
Update non-typographic quotation marks

Tidy up punctuation
Javascript displayed on screen