components/ddc.hdl/ddc.xml: add the "padding" attribute to padding properties
components/psd.hdl/psd.xml: ditto
hdl/adapters/Makefile: put the adapter library in the "ocpi" package, like the components library
hdl/devices/clkgen_ti_cdce72010.hdl/clkgen_ti_cdce72010.xml: make status register volatile
tools/cdk/ocpigen/ocpigen/src/wip_HDL.cxx: emit the "padding" attribute for the artifact xml
core/local/util/property/src/OcpiUtilValue.cxx: make uchar values decimal like all other numeric types
-- someday we can have a radix option, but this is now consistent and predictable: decimal default
tools/cdk/examples/ext2file_xml: new example showing external ports that are inputs to the app
components/specs/file_read_spec.xml: make bytesRead property volatile as it should be