Removed Explorer support as per AnalyzerBeans' issue 17
Upgraded AnalyzerBeans dependency
Improvements and simplifications to the usage logger
Added license key system property.
Improvements to Version information and about dialog.
Issue #21: Fixed
Made dashboard/metric loader more fault tolerant towards missing jobs in
repository.
[maven-release-plugin] prepare release DataCleaner-3.5.10
[maven-release-plugin] prepare for next development iteration