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.
agilent-dmm: Add U124xx device IDs.
input/binary: Use uint64 for samplerate option.
input/chronovu_la8: Use uint64 for samplerate option.
input/csv: Use uint64 for samplerate option.
yokogawa-dlm: Integrate driver skeleton
yokogawa-dlm: Flesh out driver with current state of development
yokogawa-dlm: Do not block when receiving and save frame length in scope state
yokogawa-dlm: Lower timeout to increase throughput and fix data acq bug
yokogawa-dlm: Replace g_try_malloc() calls and fix coding style
Makefile.am: Use $(CXXCOMPILE) to compile C++ code

When compiling the SWIG wrappers for the Java bindings, use the correct
automake macro so that all compiler flags are honoured.
C++: Provide fallbacks for missing stoi/stod functions

Notably, Android does not provide these functions.  The fallback
implementation is based on the one in the GNU ISO C++ Library.
build: Silence java-clean.
C++: Add sanity checks in StructureWrapper.
error.c: Add missing entries.
unit tests: Update to recent API changes.