Change Class['search'] to deploy the documented packages.

http://www.cloudera.com/content/cloudera-content/cloudera-docs/CM4Ent/latest/Cloudera-Manager-Installation-Guide/cmig_install_path_B.html?scroll=cmig_topic_6_6_3_unique_1
states that only the solr-server package should be installed.
Add package support for hcatalog, sentry, and sqoop2.
Update TODO.md.
Update versions for 0.9.0 release.
Merge branch 'release/0.9.0' into develop