BZ781286 - Set max-width on admin-page-header h1
BZ781286 - Set max-width on admin-page-header h1

Fixes issues with h1 overlapping other controls in the admin header.

Resolves https://bugzilla.redhat.com/show_bug.cgi?id=781286

aeolusproject/conductor,aeolusproject/conductor,aeolusproject/conductor,aeolusproject/conductor