Adds the indication of the currently logged in user's username

Adds a panel to the bottom of new game tab which indicates the  the
currently logged in user's name

Reported-by: bnurbekov, mamora, friscis
Signed-off-by: Batyrlan Nurbekov <bnurbekov@wpi.edu>, Miguel Mora
<mamora@wpi.edu>, Francisco Sanchez <fmsanchez@wpi.edu>
Merge pull request #134 from bnurbekov/sbl-dev

Adds the indication of the currently logged in user's username