JFG-620 1.0
JFG-620 Check has been added
	unused map has been deleted
JFG-620 (backend for the tags)
JFG-620 Backend for tags
JFG-620 Create backend for tags
Merge https://github.com/griddynamics/jagger into JFG-620

Conflicts:
	webclient/src/main/java/com/griddynamics/jagger/webclient/client/SessionDataService.java
	webclient/src/main/java/com/griddynamics/jagger/webclient/client/SessionDataServiceAsync.java
	webclient/src/main/java/com/griddynamics/jagger/webclient/client/components/SessionComparisonPanel.java
	webclient/src/main/java/com/griddynamics/jagger/webclient/client/components/TagBox.java
	webclient/src/main/java/com/griddynamics/jagger/webclient/client/data/WebClientProperties.java
	webclient/src/main/java/com/griddynamics/jagger/webclient/server/SessionDataServiceImpl.java
JFG-620 Backend for tags
Merge https://github.com/griddynamics/jagger into JFG-620

Conflicts:
	webclient/src/main/java/com/griddynamics/jagger/webclient/client/components/SessionComparisonPanel.java
	webclient/src/main/java/com/griddynamics/jagger/webclient/server/SessionDataServiceImpl.java
JFG-620 Backend for tags
Merge pull request #420 from marknovozhilov/JFG-620

JFG 620 Backend for tags