LRDOCS-346 Provide template help
Merge pull request #794 from jhinkey/eventlisting-adt

Updated devGuide SDK and Eventlisting portlet project for ADT
LRDOCS-346 Use Language.properties hook to add language key for the locations field's help message.
LRDOCS-346 Image of Locations field's help message.
Merge branch 'eventlisting-adt' of https://github.com/jhinkey/liferay-docs into adt-code