Fixes some memory problems, and a previous regression.
Doing some tests.
Merge pull request #346 from wordpress-mobile/issue/memory-problems

Fixes some memory problems, and a previous regression.
Merge branch 'release/0.2.3' into issue/325-placeholders
Improving the placeholders.  Still working on it.
Fixed a small issue in ZSSEditor.replaceLocalImageWithRemoteImage
Merge pull request #347 from wordpress-mobile/issue/image-replace-bug

Fixed a small issue in ZSSEditor.replaceLocalImageWithRemoteImage
Improves the placeholder.
Removed some unnecessary css code.
Merge pull request #349 from wordpress-mobile/issue/325-placeholders

Improvements to placeholders.
The placeholder text is now dimmed when focused.
Merge pull request #353 from wordpress-mobile/issue/350-dim-placeholder

The placeholder text is now dimmed when focused.
Fixes some issues when opening the editor.
Merge pull request #354 from wordpress-mobile/issue/352-keyboad-pops-up-for-no-reason

Fixes some issues when opening the editor.
Fixed some problems with the input callback.
Fixed a typo.
Merge pull request #358 from wordpress-mobile/image-upload-testing

Fixed some problems with the input callback.
The title no longer returns style information.
Merge pull request #362 from wordpress-mobile/issue/357-disable-bold-option-on-title

The title no longer returns style information.
Fixes several issues with links.