Partial pick: Cleanup: coding style fixes

Conflicts:
	pootle/static/css/editor.css
Display project name when available
Partial pick: Cleanup: removed dead template code

Partially picked.

Conflicts:
	pootle/templates/translation_projects/base.html
Don't duplicate project name in the title
More sensible wording
Refactored common template code

Conflicts:
	pootle/templates/projects/admin/languages.html
	pootle/templates/projects/admin/permissions.html
Cleanup: use 2 space indentation
Moved some code to the base admin template

Conflicts:
	pootle/templates/translation_projects/admin/permissions.html