Use platform translations as a fallback when XBlock translations are missing

What's Changed

• Fix github url strings (org edx -> openedx) by @sarina in #291
• feat: use platform translations as a fallback when XBlock translations are missing by @tecoholic in #290

New Contributors

• @tecoholic made their first contribution in #290

Full Changelog: v2.3.10...v2.3.11

Add an "Explanation" field

What's Changed

• feat: add optional explanation field to be displayed on clicking show answer by @kaustavb12 in #289

Full Changelog: v2.3.9...v2.3.10

UX improvements

• Fix draggable item width inconsistency while dragging.
• Do not move correctly placed items when showing the answer.
• Distribute items with multiple correct zones among these zones when showing the answer.

Full Changelog: v2.3.8...v2.3.9

UX updates

• Add item option to remove the padding from images dropped on a zone.
• Add option to show zone border when dragging an item.
• Hides text when a draggable item is placed in a target zone and frontend wait for LMS response, this is done since the size of the item increases when the spinner is visible.
• Change containers and CSS classes to match those from the edx-platform. The problem div now contains the drag container, buttons, and feedback, CSS classes from submit button; submit an answer and action buttons were also changed.
• Improve feedback styles, now only icons show color related to feedback, and text color remains the same also each feedback line doesn't show borders.

feat: Enable pt_PT translations

Merge pull request #277 from fccn/pt_pt_translations

Add Portuguese (Portugal) translations

Allow Score Override for Weighted Problems

This release enables adding weighted problems and overriding the scores for learners. The score can be overridden in LMS using either staff debug information or Student Admin in instructor Tab.

FIX Drag and drop editor not loading in studio

Fixed drag and drop editor not loading in the studio due to translation issue.

Fix instance of DeprecatedEdxPlatformImportWarning

refactor: fix instance of DeprecatedEdxPlatformImportWarning (#264)

The path `static_replace` should instead be
referenced as `common.djangoapps.static_replace`.
The old form will stop working soon.

Bump version to 2.3.2

Better JS i18n language mapping.

Better JS i18n language mapping.
i18n source file updated in Transifex.
i18n updated (not complete) support for languages: ar, de, es_419, fr, he, hi, it, ja, ko, nl, pl, pt_BR, ru, tr and zh_CN

Make Drag and Drop v2 indexable

v2.3.0

Make Drag and Drop indexable and remove Python 2 support (#244)