Merge branch 'release/v3.1.61' into develop
Document build process
Moved all WAI-ARIA @aria-level and @role handling to its own
module.

Updated tests to ensure aria stuff is injected correctly.
Commited a comment to force a remerge and test.
Merge pull request #251 from halindrome/develop

Moved all WAI-ARIA @aria-level and @role handling to its own module
Changed the @role attribute on the table of contents
so it is in conformance with the html5 definition of @role
Merge pull request #252 from halindrome/develop

Changed the @role attribute on the table of contents and the IDs on major sections
v3.1.62
fix conflicts