Merge pull request #45 from ssOleg/develop

Fixed bug with events ZEN-9318
Started on  migration script for the mysql connection string
Pep8 modifications
Removed unnecessary adapter from configuration file
Commented events from old zenpack and modified code according to pep8 recomendations
Added checking if the previous properties contain any values
Merge pull request #46 from ssirushchyshyn/develop

Added objects from previous zenpack version and migration script for connection string
merge fix
Merge remote branch 'vova/develop' into develop