Updated translations (drop french, include support in the template for all languages with 70% or more translated)
Add i18n to jinja templates and cleanup .mo files
Added translation blocks to all jinja2 templates
Generate new .pot file for jinja2 tempaltes. This fixes #622 in github's issue tracker.
Merge branch '622-update-translations'

Conflicts:
	openspending/ui/alttemplates/base.html
	openspending/ui/alttemplates/dataset/_select.html
	openspending/ui/alttemplates/dataset/index.html
	openspending/ui/alttemplates/templating.py
	setup.py