Fix release task to avoid race condition when updating the version for multiple files
Update version to 1.10.12
Update version to 1.10.13-pre
Fix jQuery #14535: Always setDocument() after iframe unload. Close gh-231.
Update version to 1.10.13
Update version to 1.10.14-pre
Fix jQuery #14579: trailing spaces after an unquoted attribute value
Update version to 1.10.14
Update version to 1.10.15-pre
Fix jQuery #14584: Force case-sensitive treatment of name attribute. Close gh-233.