Build support for altera, and assemblies with adapters, and add new wsi-16-to-32 adapter
components/file_write.hdl/file_write.vhd: remove empty skeleton until real implementation is ready
hdl/adapters/specs/wsi_16_to_32_spec.xml: new adapter added
hdl/adapters/wsi_16_to_32.hdl/Makefile: ditto
hdl/adapters/wsi_16_to_32.hdl/wsi_16_to_32.vhd: ditto
hdl/adapters/wsi_16_to_32.hdl/wsi_16_to_32.xml: ditto
hdl/adapters/Makefile: ditto
hdl/adapters/wsi_32_to_16.hdl/wsi_32_to_16.xml: improve maxmessage values
hdl/primitives/ocpi/types_body.vhd: support function for OCP adjustment expressions (bit2vec)
hdl/primitives/ocpi/types_pkg.vhd: ditto
tools/cdk/include/hdl/altera.mk: improve timing output for quartus function
tools/cdk/include/hdl/hdl-assembly.mk: add adapters library, other altera fixes
tools/cdk/include/hdl/hdl-worker.mk: do xml and defs export links even when skipping target
tools/cdk/include/hdl/quartus.mk: improve top level settings file for container build
tools/cdk/include/hdl/xst.mk: add multithreading
tools/ocpigen/include/wip.h: fix clock memory leak/error (thanks valgrind)
tools/ocpigen/src/hdl-assembly.cxx: ditto, and bug fix in assy generation for adapters
tools/ocpigen/src/parse.cxx: ditto
tools/ocpigen/src/wip_HDL.cxx: ditto