update strings

make openendedchild and open_ended_module_v1 act enough like xblocks to get xblock 18n

- Change wording when done with peer grading ("evals" -> "assessments")
- Added ICE legend item for comment syntax
- Added conditionals to display human readable 'grader_type' to alleviate confusion
- Rename 'Show/Hide Prompt' to 'Show/Hide Question'
- Reworded grading flags
- Make ICE grading container larger to more easily allow users to read and edit larger texts
- Adjusted lots of text and word choices to make them more user friendly
- Disable previous arrow on first grader feedback and next arrow on last grader feedback
- hide ORA instructions and ICE legend when calibrating so students don't feel like they need to write feedback

Changes after comments:

- Renamed instructions element and fixed casing issue
- Renamed legend class to ice-legend
- Changing condition from != to >= to not only fix incorrect one but also catch possible weirdness
- Grammar fix in a message
- Removing grader_type conditional in HTMl to give way to the one in python
- Moving ice feedback area height styling to CSS file

More changes:

- Update ICE version
- Modifying test to reflect code change
- Adding ICE undo feature

Proper scoping, show status to staff, fix line break issues, multiple self assessments on one page work

cleaned up padding for peer review training and grading states, removed extraneous response label,fixed style issue on rubric for peer grading where rubric items had a background color overridding the intended style

styling of peer review interface for students along with minimal adjustments to the staff grading interface as well. added internationalization of peer grading strings.

visual styling changes to staff grading and peer grading, along with additional instances of the use of the baseline variable instead of pixel definitions for padding and margins.

style cleanup for open ended assessments, cleaning up workflow header, style definitions for rubrics are commented out momentarily, and an open issue for unicode rendering on the show and hide prompt area still remains

fixes template errors

keep tos untranslated

formatting fixes