Merge pull request #258 from dlatnikov/JFG414_user_creation

Jfg437 - Change log messages. Describe when test is started, when terminated, why terminated
Merge branch 'master' of github.com:griddynamics/jagger into gdmaster
Merge branch 'master' of github.com:griddynamics/jagger into gdmaster
jfg-480 Try to use GXT for summary page
no icons in treeGrid
Merge pull request #276 from amikryukov/gxt-branch

jfg-480 Try to use GXT for summary page