Create README.md
Merge pull request #15 from voloda/master

Issue #13: Alter unit tests to use SQLite from Nuget package
Issue #14: Alter unit tests to use MySQL Connector.NET from Nuget package
Issue #16: Alter unit tests to use PostgreSQL Connector.NET from Nuget package
Issue #17: Alter unit tests to use Firebird Connector.NET from Nuget package
Issue #18: OracleDatabaseService.IsUpdateStepExecuted throws an exception
Chnagelog update
Fixed message
Change version
Corrected target files
Merge pull request #1 from DbKeeperNet/master

Sync with source