In initial HTML loading, prefer textarea content over options.
Revert "In initial HTML loading, prefer textarea content over options."

This reverts commit 74f1e31d8a2bbc44292df5449726f49bbbb6e11f.
Attempt at multiple-instances test.
Merge branch 'master' into issue_437
Committing partial test for sharing with Wes.
Test: `multiple-instances`: "Load textarea value by default": fixed!
`multiple-instances` tests: Added two new tests. One fails due to #437.
Fix: Load each editor's default HTML on batch-initialization.
Issue #437: Added changelog entry for the fix.
multiple-instances tests: better expect calls.
Upgrade `grunt-contrib-qunit`. PhantomJS no longer fails.
Fix typo.
Some function name change.
Typo.
`WYMeditor.editor.postIframeInit`: New method, de-duplicating some code.
`WYMeditor.editor.iframeInitialized`: Added it to API documentation.
Semantic change.
Merge pull request #437 from mightyiam/issue_437

Init multiple editors without html option: textarea contents could get overridden