Moved into question page so that it’s not on other pages, and so we can
obtain correct answer count.

Logged out users now get ‘login’ error regardless of user level
required.

Decimals parameter takes effect when compact option is off.

Decimals for non-compact numbers were being incorrectly removed.
Numbers were being rounded twice (123456789 -> 124k not 123k).
Numbers larger than 1 billion were being incorrectly shortened.

Also changed function qa_private_translate_with_progress to
qa_recalc_progress_lang

Improvements in how numbers are displayed

Fixes #216.

Add left padding to search field.
Slight refactoring of background CSS.
Closes #218, closes #221.

:before is not necessary. Split into multiple lines to aid future
additions.

Fixes #225.

Fixes #203.

Allows access from widgets, which get passed the theme object.
Fixes #207.

Fixed #206.