[CSUMB-59] Provide a heading chunk type.
[CSUMB-59] Correctly focus first configuration element on type selection or edit button press.
[CSUMB-59] Remove TODO because we WONTDO.
[CSUMB-59] Adding HTML ID to Heading chunk.
[CSUMB-59] Put template back on one line to avoid unnecessary space chars in markup.
[CSUMB-59] Different template conditional to avoid blank ID in markup.
[CSUMB-59] Sanitize HTML ID before printing to avoid XSS.
[CSUMB-59] Add a description to the heading level selection field.
Merge branch 'master' of git.drupal.org:sandbox/chasingmaxwell/2261221

Conflicts:
	chunks-widget.js
	chunks.module