Documentation: Replace duplicated id="lifecycle" with id="drag_drop" for the Drag and Drop Sorting example
Documentation: Add missing semicolons in examples, and remove an extraneous one
Documentation: Fix typos
Documentation: Remove extraneous non-matching close tags: </code> and </p>
Merge pull request #2080 from ericdahl/gh-pages

Documentation (gh-pages): Fix typos, extraneous tags and a couple other minor issues.