update jekyll command

Updated to start Jekyll without deprecation notices:
  Deprecation: The --server command has been replaced by the 'serve' subcommand.
  Deprecation: The switch '--auto' has been replaced with '--watch'.
Merge pull request #77 from shoekstra/fix_jekyll_deprecation

update jekyll command
1.2.1 release notes
Fix principal name
Add no Puppet deep dive
Merge pull request #80 from domcleal/deep-dives-no-puppet

Add no Puppet deep dive
Add quickstart Puppet management guide
Add section on compute resources and provider-specific notes
Fixing documentation for creating a hashed root password.
Merge pull request #81 from jforeman/root-pw-doc-update

Fixing documentation for creating a hashed root password.
Remove reference to non-existent i386 repos
1.2.2 release notes
Add Kafo installer deep dive
Merge pull request #84 from domcleal/deep-dives-kafo

Add Kafo installer deep dive
Update links to enc/report scripts for old v1 api
Merge pull request #87 from GregSutcliffe/gh-pages

Update links to enc/report scripts for old v1 api
Adding manual for Foreman 1.3 - copy only
Changing links from 1.2 to 1.3
release notes for 1.3 and backup/recover/update sections
Update URLs for v2 report/enc templates