Misc cleanup to make examples run again, valgrind leaks, negative integer bug

adapt/os/ocpios/linux/src/OcpiOsEther.cxx: uninitialized buffer- valgrind
components/file_read_msg.rcc/file_read_msg.c: ditto
components/ptest.rcc/ptest.c: make error optional so runexamples passes
components/ptest.rcc/ptest.xml: option to set the error
components/sym_fir_complex.rcc/sym_fir_complex.c: illegal access - valgrind
components/sym_fir_real.rcc/sym_fir_real.c: ditto
core/application/src/OcpiApplication.cxx: move static container vars to Container::Manager
core/container/interfaces/include/OcpiContainerDriver.h: ditto
core/container/interfaces/include/OcpiContainerInterface.h: ditto
core/container/interfaces/src/OcpiContainerInterface.cxx: ditto
core/container/interfaces/src/OcpiContainerManager.cxx: fix unreachable memory leak - valgrind
core/library/src/OcpiLibraryManager.cxx: createWorker missing osVersion check bug
-- showed up when we had rh6 and ct6 binaries availabkle
core/local/util/driver/include/OcpiDriverManager.h: parsed XML memory leak - valgrind
core/local/util/driver/src/OcpiDriverManager.cxx: ditto
core/local/util/ezxml/src/OcpiUtilEzxml.cxx: regression for negative number parsing fix
tools/cdk/examples/ext2file_xml/ext2file.cxx: reduce chattiness in example
tools/cdk/examples/fsk_modem_xml/Makefile: update to allow valgrind
tools/cdk/examples/ptest/ptest.xml: add property to test negative values
tools/cdk/examples/setup.mk: don't print compilation line, but announce building the exe
tools/ocpigen/src/parse.cxx: crash bug fix on certain error messages