Bastion: replacing flash_messages with bootstrap 3 alerts.
Engine: Updating Katello reset to included migration and seeding of the database
after wiping databases.
Bastion: Fixes issue with table headers not being frozen on initial
page load.
Updating katello engine installation documentation.
Merge pull request #3434 from waldenraines/bootstrap-alerts

Bastion: replacing flash_messages with bootstrap 3 alerts.
Merge pull request #3426 from ehelms/engine-reset-update

Engine: Fixes #3735: Updates reset task to migrate and seed database.
Merge pull request #3436 from waldenraines/engine-readme

Updating katello engine installation documentation.
Engine: moving delta_systems.rabl to the correct place
Merge pull request #3437 from jlsherrill/engine_sysgroup_fix

Engine: moving delta_systems.rabl to the correct place
Merge pull request #3433 from ehelms/engine-fix-table-scroll

Bastion: Fixes issue with table headers not being frozen on initial
Bastion: Updating forms to Bootstrap3 styling and encapsulating the
basic structure into directives.