Made the errata rule use real dates instead of string

Also added date based validations so that the
start date is before the end.
Added code to deal with time zone issues
Added a space as requested in the PR
Fixed a bunch of unit tests
Added tests for the validator
Added more test cases
fixed an issue with seeds.rb when it wasn't assigning default values
Asset Pipeline - Fixes for bad paths to some image and icon assets.
Merge pull request #1922 from parthaa/date-work

Made the errata rule use real dates instead of string
Merge pull request #1941 from ehelms/asset-pipeline-fixes

Asset Pipeline - Fixes for bad paths to some image and icon assets.
Merge pull request #1934 from witlessbird/puppet-seeding

fixed an issue with seeds.rb when it wasn't assigning default values
Automatic commit of package [katello] release [1.3.15-1].
947859 - Created a way to remove views from keys
Automatic commit of package [katello-configure] release [1.3.7-1].
content view - fix issue w/ deleting filters and filter rules

The logic for deleting filters, filter rules and filter rule parameters
used to be common; however, when we extended rule parameters
to support pkg versions, it no longer remained common.
Unfortunately, a regression was introduced with that work and
this commit will fix that.
fix f18 build
content views - minor chgs to views for asset pipeline
Merge pull request #1940 from daviddavis/remove_content_views_from_activation_keys

Creating way to remove views from activation keys
Merge pull request #1943 from jlsherrill/build_fix

fix f18 build
Merge pull request #1944 from bbuckingham/fork-bug_fixes

content views - couple of small bug fixes