Clean Java files on any change that needs re-running SWIG.
C++: Fix shared pointer handling for Device base class.
C++: Fix hash table initialisation in map_to_hash_variant.
C++: Fix shared pointer handling for PacketPayload base class.
Remove unneeded subdriver debug messages.
agilent-dmm: Correctly parse negative overload.
agilent-dmm: Add RMS flag to AC voltage modes.
agilent-dmm: Assume all A and B models are identical on the wire.
agilent-dmm: Add provisional support for the U124xx.
Merge branch 'master' of git://sigrok.org/libsigrok