fixes #8094 - Content Host - fix the host collection capacity

Currently, if host collection is set for 'unlimited' the capacity
will show as 'N / '; however, it should be 'N / Unlimited'
Fixes #7609: View the details of a Content View Version
Merge pull request #4765 from bbuckingham/issue-8094

fixes #8094 - Content Host - fix the host collection capacity
Fixes #8132: Remove unused styling and import to fix asset compile.
Fixes #8126:  add color to errata icons based on errata count.

http://projects.theforeman.org/issues/8126
fixes #7690 - adding errata applicable/available systems api
Merge pull request #4773 from ehelms/fixes-8132

Fixes #8132: Remove unused styling and import to fix asset compile.
Merge pull request #4775 from jlsherrill/7690

fixes #7690 - adding errata applicable/available systems api
Merge pull request #4707 from ehelms/fixes-7609

Fixes #7609: View the details of a Content View Version
Merge pull request #4774 from waldenraines/8126

Fixes #8126:  add color to content host errata counts based on number.