Updating SLM View banner on front page while waiting for data.

It used to be "OpenNMS Disconnect -- is the OpenNMS daemon running?",
and it has been changed to "Waiting for availability data..."
Release Notes for 14.0.1
bump changelog version
14.0.1-SNAPSHOT -> 14.0.1
14.0.1 -> 14.0.2-SNAPSHOT
Merge remote-tracking branch 'origin/foundation' into release-14.0.2
NMS-7230 upgrade to Vaadin 7.2.7
Fix for Bug NMS-7227

Some GWT pages are not working on IE
Merge remote-tracking branch 'origin/foundation' into release-14.0.2