[sdk] Couple fixes to the desktop app template

Add a 24x24 icon to the desktop app template.
Header/footer filtering in the desktop app example.
HUE-1488 [oozie] Coordinator should reuse workflow properties

Workflow properties do not need to be all redefined in tje coordinator
workflow properties. They are picked up from the workflow and can be
overriden in Step 5 of the coordinator.
HUE-1492 [hbase] Create new table popup is not hidden on creation
HUE-1481 [hbase] Improve autocomplete
HUE-1478 [hbase] Simplify main layout
HUE-1489 [core] Upgrade django nose

- Update mako
- Update test cases
- Alter mako to work with Django
HUE-1493 [beeswax] Replace Beeswaxd by HiveServer2

Harmonize Impala app too.
Tests are updated but hangs or a very slow currently.
They require to run jenkins.sh to pull a HiveServer2 like for Oozie.