Merge pull request #220 from graphitefriction/master

section title section cleanup
comments in an example for future user
Merge pull request #221 from graphitefriction/list-review

comments in an example for future user
updates examples for blocks
Merge pull request #222 from graphitefriction/block-revise

updates examples for blocks
initial text from closed featured issues
Merge pull request #224 from graphitefriction/1-5-release-notes

initial text from closed featured issues