More wordsmithing and added note.
Backport - (Rich Sezov) Wordsmithing chapter 9 up to the Kaleo section.
08-maven - fix typo
09-liferay-ide - Format lists to follow standard Markdown
09-liferay-ide - Reinstate references to Kaleo Forms EE app
Merge pull request #539 from jhinkey/devguide-update-6.1.x

Devguide update for 6.1.x