Refs #422. Indenting and outdenting multiple selected headings at once now works.
Merge branch 'master' into issue_422
Merge branch 'master' into issue_422
Refs #422. Started writing tests for multiple heading indention and outdention.
Merge branch 'master' into issue_422
Refs #422. Finished adding tests for multiple inention and outdention, and reformatted the functions for multiple indention and outdention into one function.
Refs #422. Fixed some spacing and naming issues.
Refs #422. Fixed list indention and outdention so that it doesn't perform the action of nodes are selected outside of one list.
Merge remote-tracking branch 'origin/master' into issue_422
Refs #422. Revert testing changes made to basic.html
Refs #422. Added to function comment for _selectionOnlyInList.
Refs #422. Added test for indent/outdent of multiple selected lists with content between them.
Refs #427. Added tests to make sure getCommonParentList works properly in converting list types.
Refs #422. Updated CHANGELOG.
Merge branch 'master' into issue_422
Refs #422. Fixed camel case issue.
Merge pull request #422 from FriedRice/issue_422

Fixes #422 Allow for the indention and outdention of multiple selected headings at once in the structured headings plugin