Refactored run task in master
 Refactored code
 Field is added to the table (ALTER TABLE `SessionData` ADD COLUMN `errorMessage` varchar(255) NULL), because you want to try to run all the tasks, and this field reports the error
 Session status may be changed to FATAL by errorMessage (if some tasks fails)
Unit timeout attendant task termination changed from seconds to milliseconds
Refactored code
Refactored code
cosmetic fix
merge with master
Merge pull request #78 from estepanova/tmp3

Nikolay's changes