oo-admin-yum-validator: Fix string in guess_ose

Put quotation marks around the string literal 'ose' in the guess_role
method to avoid a NameError exception and a backtrace.

This commit fixes bug 1112883.
Merge pull request #389 from Miciah/bug-1112883-oo-admin-yum-validator-fix-ose-string-literal-in-guess_role

oo-admin-yum-validator: Fix string in guess_ose
Interim check-in for remote backup
Refactored assistant for HA support
Interim Check-in
Rolling in gear and district configuration
Fleshed out district and gear handling
oo-install expanded config support completed
Additional logical fixes
Updated to support broker cluster virtual hostname
originator primary refactoring completed.
Inital HA support completed.
nameserver setting logic
Fixed puppet file formatting
Intermi checkin
Refactored account password management
Fix faulty handling of service account settings