Merge branch 'check-images-2' of https://github.com/codyhoag/liferay-docs into dev-site
Merge branch 'dev-site' of https://github.com/ngaskill/liferay-docs into dev-site
Cleanup buildfile
Rename property page.dir to purpose.dir
Rename doc.properties to release-site.properties, and put in project root.
Wordsmith target descriptions
Remove echo-props default target reference
Tutorial: Using liferay-ui:success and liferay-ui:error Messages
Code for Tutorial: Using liferay-ui:success and liferay-ui:error Messages
Ignore build and dist folders
Add link to final tutorial portlet project.