Adding manual 1.2 (copy)
Adding assets:precompile locale:pack
Adding Rakefile and fixing two links
Add packaging deep dive
Fix a couple of broken links
Fix Foreman top left link, was partially hidden by navbar div
1.2.0 release notes
Update install instructions for 1.2.0-RC1
Fix formatting
Change RC1 link to announcement posting
Updated APIv2 in 1.2_release_notes.md