Fixes #268.

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

From PRs by @pupi1985 (unmergeable due to file structure changes).
Closes #69.
Closes #126.

Set to Unix line endings in repo; the gitattributes file means they
will be converted to suit the user’s system.

Passed into theme and stored as boolean ‘isRTL’.

Deprecate duplicate post_avatar function

By default fall back to old table layout for compatibility.
Also, mark old ranking functions as deprecated.

And normalize some line endings

Use inline-block instead

Plus new function q_title_list for generic list of question titles.