[LMS-1597]

LoncapaProblem was using ModuleSystem directly, but we're about to need
i18n passed in, so this gives LoncapaProblem its own LoncapaSystem
object to better module its dependencies.  This commit simply passes
through the attributes of ModuleSystem that Loncapa needs.

[LMS-1597]

First pass at Translators guide

LMS-1972

Updated settings for devstack django debug toolbar

Internationalize the forums post Markdown editor

Factor the core Capa problem logic into a mixin.

This mixin can be used by either the current XModule, or by an XBlock. Leave
the XModule-specific code in capa_module and move the shared code to capa_base.
Plan to move caba_base into the capa package in the future.

Reorganize doc for i18n

Django toolbar update

STUD-1090

STUD-1094

This includes removing the "PREVIEW" label for the preview pane from CSS
and adding it to the generated DOM.

Support duplicating an existing xblock to a supplied parent location.

Markhoeber/documentation/stud 1087

Added details about student view of due dates

Removed ice.min.js completely as ORA is changing anyway

Make a ResponseType registry.

Added notes about quotations to Advanced Settings page help

Markhoeber/documentation/release notes 1 16 14

Conflicts:
	lms/templates/help_modal.html
	lms/templates/index.html

And while I was in there, I made it a decorator, so it's nicer to use.

Fixed forum label to match UI

change to 1/1/2030

removing bad link

Release 2014-01-16

dont update iframe src attribute if it is empty

escape single quotes in optioninput (optionresponse) tags

STUD-1136

Internationalize our use of jquery.timeago

Encode periods and $ in block_id map

Also get rid of an unused template and extra copies of jquery.timeago.

Use a version of ddt that supports unicode w/o requiring six at runtime

Documentation accessibility