Tag the postgresql-contrib package as postgresql
Add the two missing variables that the if check requires.
Add missing documentation for istemplate parameter
Style guide cleanup.

Most of these changes are just simple bits but I've wrapped a bunch of
stuff around 80 lines so it's slightly more readable.  These should all
be no-op changes.
Merge pull request #209 from mnencia/patch-1

Tag the postgresql-contrib package as postgresql
Merge pull request #235 from kamilszymanski/db_docs_update

Add missing documentation for istemplate parameter
Merge pull request #236 from apenney/style

Style fixes (and a bugfix)