recipes: Add fragmentation option to OpenWrt config/startup script
daemon: openssl includes removed
ibrdtn/daemon: Add security related exceptions to SecurityBlock
ibrdtn: Remove weird strip() method of PayloadIntegrityBlock
daemon: Re-implement verifyPIB() method in SecurityManager
ibrdtn: Redundant code for mutable serialization removed
MutualSerializer renamed to MutableSerializer
ibrdtn: Add unittest to check if a compromised PIB will be detected
ibrdtn: Un-set verify bit if the PIB verification failed due to a missing key