Added the Sts service

A lot of changes with optimizations
Merge branch 'master' into dashboard2.0

Conflicts:
	selta-provision-dashboard/src/main/java/org/opennms/vaadin/provision/dashboard/DashboardService.java
	selta-provision-dashboard/src/main/java/org/opennms/vaadin/provision/dashboard/selta/SeltaDashboardService.java
	selta-provision-dashboard/src/main/java/org/opennms/vaadin/provision/dashboard/selta/SeltaDeviceTab.java
	selta-provision-dashboard/src/main/java/org/opennms/vaadin/provision/dashboard/selta/SeltaDeviceTabSearchBox.java
	selta-provision-dashboard/src/main/java/org/opennms/vaadin/provision/dashboard/selta/SeltaRtuDeviceTab.java
	selta-provision-dashboard/src/main/java/org/opennms/vaadin/provision/dashboard/selta/SeltaRtuDeviceTabSearchBox.java