Adding lsb_release to Fedora image creation

This change adds the redhat-lsb element to the base Fedora elements.
This is needed to ensure that the lsb_release command is included for
Fedora images as some elements(i.e. mysql, ssh) require it's use.

Change-Id: I12f7489aab37aded9fc6438e281a124366c26804
Closes-Bug: #1396621
Merge "Adding lsb_release to Fedora image creation"