PROTON-364: Install C examples. Added a install variable, EXAMPLES_INSTALL_DIR. Installs the send.c, recv.c, CMakeLists.txt files from the examples/messenger/c directory. Also installs the getopt.c and getopt.h files, related LICENSE, and the misc_defs.h and misc_funcs.inc files.
qpid/proton/trunk/CMakeLists.txt
qpid/proton/trunk/examples/messenger/c/CMakeLists.txt