Merge pull request #32 from ssirushchyshyn/master

Version property for MySQL server
reopen connection if any
Merge pull request #33 from ssbunyk/master

reopen connection in case it is stopped
Fix: typo
Fix: ZEN-9035, removed sizes from panels, added sizes chart to MySQL server, added y legends
Fix: ZEN-9037, refined graph labels
Fix: ZEN-9036 in progress
Fix: ZEN-9036 in progress
Fix: ZEN-9052, changed Databases to MySQL Databases
Removed sizes from details panel