JFG-737 session scope in a tree
JFG-737 SS-Monitoring
JFG-737
MGN to TDN
JFG-737
first comment block
JFG-737
JFG-737
JFG-737
JFG-737
Merge https://github.com/griddynamics/jagger into JFG-737

Conflicts:
	dbapi/src/main/java/com/griddynamics/jagger/dbapi/DatabaseServiceImpl.java
	webclient/src/main/java/com/griddynamics/jagger/webclient/client/trends/Trends.java
	webclient/src/main/java/com/griddynamics/jagger/webclient/server/PlotProviderServiceImpl.java
JFG-737
jfg-737
Merge pull request #506 from marknovozhilov/JFG-737

JFG-737 session scope in a tree
merge with master