Merge branch 'fix-commits-and-loc' into 'development'

...nl/tudelft/gitbull/cache/GroupStatisticsCacheManager.java

...java/nl/tudelft/gitbull/cache/StatisticsCacheManager.java

...a/nl/tudelft/gitbull/controller/StatisticsController.java

src/main/java/nl/tudelft/gitbull/enums/MRPipelineStatus.java

src/main/java/nl/tudelft/gitbull/enums/NoteState.java

...ava/nl/tudelft/gitbull/security/AuthorizationService.java

...ft/gitbull/service/labracore/LabracoreEditionService.java

...ft/gitbull/service/statistics/GroupStatisticsService.java

.../gitbull/service/statistics/ProjectStatisticsService.java

src/main/resources/messages.properties

src/main/resources/templates/statistics/filters.html