Add db:seed instructions to source install
CfP has ended, register instead
Use Puppet 3.4.2
topbar and landing page revised.
menus reshuffled
added blog
fixed api iframe scroll
spinner on iframe load
Merge pull request #138 from abenari/gh-pages

topbar and landing page revised.
Add Foreman 1.4 docs
Empty release notes for 1.4
Add pre-sprint 16 release notes
Add sprint 16 release notes
Add usergroup cycle membership warning
added plugins section to the manual
Add sprint 17 release notes

TODO documentation for: #3312, #3699, #3047, #3732
fixed comments on plugins section.
Removed references to the legacy mysql package/adapter
1.3 -> {{page.version}} on some pages
Add sprint 18 release notes

TODO documentation for: db:seed, libvirt/dnsmasq providers, REMOTE_USER attrs(?), mysql/mysql2, Chef, proxy custom command
Reformatted release notes
Merge pull request #122 from theforeman/wip-1.4

1.4 manual