userportal: changed two icons

- Changed the disabled suspend icon in UP to be less dark
- Changed the migrating icon to have a bigger up triangle

Change-Id: I1e0929cbea92c198bc19df8dccfb7ec5dcddc714
Bug-Url: https://bugzilla.redhat.com/show_bug.cgi?id=997901
Signed-off-by: Tomas Jelinek <tjelinek@redhat.com>