Add solaris driver to list of available drivers

--- ORIGINAL/setup.cfg 2015-06-02 17:45:44.579172327 +0100

+++ ironic-2015.1.0/setup.cfg 2015-06-02 17:48:37.552116117 +0100

@@ -63,6 +63,7 @@

pxe_snmp = ironic.drivers.pxe:PXEAndSNMPDriver

pxe_irmc = ironic.drivers.pxe:PXEAndIRMCDriver

pxe_amt = ironic.drivers.pxe:PXEAndAMTDriver

+ solaris = ironic.drivers.solaris:SolarisAndIPMIToolDriver

ironic.database.migration_backend =

sqlalchemy = ironic.db.sqlalchemy.migration