TEST: scaffold for garbage collector test case
add a simple implementation of a HashFilter
TEST: basic test case for SimpleHashFilter
remove copy and paste garbage
add implementation of GarbageDetector
make all MockCatalogs directly accessible for the test cases
allow for counting objects in HashFilter
instrument SimpleHashFilter for testability
TEST: first simple garbage collection test case
TEST: T_GarbageCollector.PreserveLatestTwoRevisions
mv gc*.h garbage_detector*.h
add include guard around hash_filter.h
typedef for CatalogT in CatalogTraversal<>
extend logging facility for GC
add AbstractUploader::Remove(shash::Any)
add implementation of GarbageCollector<>
remove obsolete GarbageDetector<>
TEST: T_GarbageCollector.* adaptions
preserve (optionally) all named snapshots
TEST: create dummy repository history