Update references for 3.3.0-rc2, w/ belated 3.2.4 and 2.7.23 refs too
Update report format docs for Puppet 3.3.0
Improve special reference versions -- add major.latest, major.stable, major.minor.stable
Change various links to use new 3.stable urls; reorganize main references index
Preliminary re-do of the type reference
Fix long underlines, add back-to-attributes links