SASS compilation variable conventions update

Awais786/ecom 662 decline error

Add aria-disabled attribute

Adding decline button in fake payment page.
In of case ERROR, CANCEL, and DECLINE removing auth_amount from test cybersource2 and payment fake.

Refactor default_store logic in paver test_bokchoy

TNL-997

Delete unused problem doc files

SASS compilation variable conventions update, focusing on basic colors, baseline variable usage for padding and margins, ui-depth extends, along with other small fixes. The intent with this is to not have any user-facing impact, and instead move us closer toward having files that use our newer sass conventions.

Update CodeJail to get better status code when CPU limit is exceeded.

Fix edX name hardcoded in password reset email

ECOM-783 updated logistration in light of redesign

Discussion thread response show dual vote count

When the responses of the thread is loaded it shows
dual vote count one with simple text and one with
button whereas only text should be shown when thread
is closed and only button when thread is open.

TNL-1016

Update translations (autogenerated message)

Improve i18n for shopping cart registration code redemption page

Better i18n on the password reset page

Update edx-ora2 to release-2015-01-05T12.24.

Add the SchoolYourself XBlock

Placeholder text should be translated

When fill_in_run() fails, handle failure instead of exception.

These are used only in edx-documentation repo now

Fix two tests failing on January 1, 2015

WL-168 When redeeming a Registration Code in the shopping cart, the user should be redirect to the Registration Code Redemption page

Use disabled property to prevent IE9 users from clicking disabled buttons