replace leveldb usleep by SafeSleepMs
add Buffer template to util.h
consolidate interface of Buffer template
FIX: missing output redirection to log file
try to locate the cvmfs library in lib and lib64
use GNUInstallDirs to figure out library install dir automatically by default
FIX: grammar quirks and typo
add new optional parameter to cvmfs_server add-replica
use $alias_name in the add-replica subcall of cvmfs_server
replace error message with solution suggestion
resolve stratum1 alias names in cvmfs_server list
adapt cvmfs_server snapshot to work with aliased replicas
cosmetics in error messages
adapt test 515 for new snapshot functionality
adapt test 516 for new snapshot functionality
FIX: test 516 desaster cleanup routine
TEST: multiple Stratum1 snapshot cycles
remove legacy perl test system and perl mock services
remove test exclusions for perl based services
remove perl environment installation in cloud tests