cleaned up video store use case 2 and added static analysis

...eoStore/DQL-Queries/usecase2/PaperMetrics_Static_high.dql

...deoStore/DQL-Queries/usecase2/PaperMetrics_Static_low.dql

...Store/DQL-Queries/usecase2/PaperMetrics_Static_lowest.dql

...deoStore/DQL-Queries/usecase2/PaperMetrics_Static_med.dql

...eries/usecase2/properties/PaperMetrics_EU_high.properties

...ueries/usecase2/properties/PaperMetrics_EU_low.properties

...ies/usecase2/properties/PaperMetrics_EU_lowest.properties

...ueries/usecase2/properties/PaperMetrics_EU_med.properties

...eries/usecase2/properties/PaperMetrics_NA_high.properties

...ueries/usecase2/properties/PaperMetrics_NA_low.properties

...ies/usecase2/properties/PaperMetrics_NA_lowest.properties

...ueries/usecase2/properties/PaperMetrics_NA_med.properties

...s/usecase2/properties/PaperMetrics_Static_high.properties

...es/usecase2/properties/PaperMetrics_Static_low.properties

...usecase2/properties/PaperMetrics_Static_lowest.properties

...es/usecase2/properties/PaperMetrics_Static_med.properties

...mples/VideoStore/DQL-Queries/usecase2/usecase2.properties