Sync 1.5.x releases into changelogs
Core projects: Release 1.6.0-RC1
Fix minimum Foreman version to permit 1.6.0~rc1
Add hammer_cli_foreman_bootdisk
Update to foreman_bootdisk 3.1.1
WIP pin nokogiri to plugin-cmpatible version on debian
Add libxslt1-dev to wheezy
Fixes #7083 - installing locale files for hammer
plugin:puppetdb - Build gems in foreman's cache
plugin:templates - Build gems in foreman's cache
plugin:bootdisk - Build gems in foreman's cache
plugin:chef - Build gems in foreman's cache
plugin:default_hostgroup - Build gems in foreman's cache
plugin:discovery - Build gems in foreman's cache
plugin:hooks - Build gems in foreman's cache
plugin:snapshot - Build gems in foreman's cache
plugin:deface - Add a separate deface package
plugin:setup - Build gems in foreman's cache
plugin:dhcp_browser - Build gems in foreman's cache
plugin:column_view - Build gems in foreman's cache