Created an indexer utility for adding an index to a LaTeX source file and producing a PDF of the document containing an index; forward-porting from 6.1.x branch to master (6.2.x)
Update the dev guide intro chapter
Merge pull request #409 from jrao/LRDOCS-429

http://issues.liferay.com/browse/LRDOCS-429
Merge pull request #411 from jhinkey/devGuide-intro

Update the dev guide intro chapter
Reinstate build-common.xml changes overwritten by LRDOCS-429
Merge pull request #413 from jhinkey/build-common-xml-overwrites

Reinstate build-common.xml changes overwritten by LRDOCS-429