Added a changelog entry for fixing #430.
Issue #450: Added test to make sure that an empty document is empty.
Merge pull request #529 from mightyiam/430-changelog

Added a changelog entry for fixing #430
Issue #450: Empty is empty with caret inside the body as well.
Merge pull request #450 from mightyiam/issue_450

Test showing that an empty textarea stays empty
Merge branch 'master' into issue_437
Committing partial test for sharing with Wes.
Test: `multiple-instances`: "Load textarea value by default": fixed!