LRDOCS-1294 Converted AUI Form Validator devguide section into a tutorial.
LRDOCS-1294 Fixed some formatting issues.
LRDOCS-1294 fixed formatting.
Merge branch 'LRDOCS-1294' of https://github.com/mwilliams2014/liferay-docs into LRDOCS-1294-QA
QA edits.
Merge branch 'LRDOCS-1294-QA' of https://github.com/ngaskill/liferay-docs into LRDOCS-1294-R