Fix goto_position in sequence coffeescript.

Replace single-quotes with double-quotes so that #{@ajaxUrl} is
interpolated.
Continue updating Appendix E
Merge pull request #2499 from edx/dcs/a11y-slight-rearrange

Added an alt tag to the footer logo; added charset meta tag; moved
Reorganize content in Appendix E

Change order of tags (now alphabetical); add link list at beginning of document
Merge pull request #2513 from edx/sylvia/documentation/BLD-801

Sylvia/documentation/bld 801
Merge pull request #2485 from edx/ned/make-i18n-generate-forgiving

Make i18n:generate more flexible
Merge pull request #2465 from glowe/fix-sequence-position

Fix goto_position in sequence coffeescript.
Merge pull request #2504 from edx/gprice/forum-pagination-acceptance

Add acceptance tests for forum response pagination
first commit to the branch