Merge branch 'accessibility_duplicates' of https://github.com/edx/edx-platform into accessibility_duplicates

Zoldak/acceptance exception handling

Better exception retry logic

Change methods to lambdas

Fix a bug in links on forum user profile pages

in XML deserializations, we can get get floats for start/stop times, so ...

Conflicts:
	lms/static/sass/views/_verification.scss

Make sure audit enrollments are really marked audit.

in XML deserializations, we can get get floats for start/stop times, so we need to be able to parse those

add test video with float-based end-time

Fix forums nav sidebar overlapping content

Remove unused XModuleDescriptor.get_sample_state method

Fix/cdodge/courseware index perf tweek

we already have the descriptor, so call get_module_for_descriptor() rather than refecting that subtree which is multiple round-trips to DB

fix line indents

apache lms wsgi fix

Revert "4 OE/ORA UI fixes to make it easier to use"

This reverts commit 3b29d605.

formulaequationinput: add capital greek letters and hbar to calc preview

Simplify retry logic for ui helper functions

Verification: Switch class-based Sass @extend rules to use Sass placeholder syntax

Skip verified cert acceptance tests that upload to s3

Verification: converts all class-based Sass archetype-focused @extends to use Sass placeholder syntax

Previously, if a course id contained a '-' character, links from that
page to threads would lead to 404s.

Hotfix 2013-09-16

Handle self-signed cert from Software Secure

Don't verify SSL cert when submitting to Software Secure (they're using self-signed cert for the moment).

4 OE/ORA UI fixes to make it easier to use

Verification: Copy/Light UI Pre-Launch Edits