rename ypanda to yuvipanda

the (LDAP) user name should
match the class name or we
always run into issues.

like f.e. Ic0147a4ebc
or 'Could not find class accounts::yuvipanda'

RT #7068

Change-Id: Ia8c1b258854741d540b42839bfd37d8b0ca5823d
Merge "rename ypanda to yuvipanda" into production