Minor tweak to uncollect output

The previous method doesn't look right in all situations,
particularly parallelized testing
Merge pull request #815 from seandst/uncollect-output

Minor tweak to uncollect output
Docs fixes ;)
Add non-destructive RHN registration-only test

Update and fix red_hat_updates page

Update cfme_data yaml
Merge pull request #809 from jkrocil/test-register-appliance-nondestructive

Test register appliance nondestructive
Merge pull request #818 from psav/docs_fixes

Docs fixes ;)
Fix select error to actually be a string
Merge pull request #816 from psav/fix_select_error

Fix select error to actually be a string