Other Changes

• Change visibility of function so that it can be overriden by child classes. (8b9590a9b917c4e1a07bc3f1f150ec8b182c6dce)
• Add remove link message, to be used with screenreaders. (8d12f806f506d88b360a61ab6e044ecd9eac4392)
• Announce link removal to screenreaders. (ccae5f3e366882b4989e66205b48bbb70e07e832)
• Fix the behavior of goog.testing.asserts.findDifferences when custom predicates are supplied, to augment builtin predicates rather than override them. (58a0598b9171508e77260be2f3eacbd4a8e074e0)
• Fix a daylight saving time bug in formatDay. (84c93721c3ced2271541ae86fec9f85e9c24d991)
• goog.string.linkify.linkifyPlainTextAsHtml now accepts an options bag as its second parameter. (f4e2047270c0e16fd530b2361f355a085e5fc945)
• Allows 'type' attribute in createScript to allow for json scripts. (80f831329d460aa05b4b13c1344b733ce813b820)