Task #7432: Added FindUUID, and generate timestamp + uuid for qpid messages (actually using Qpids own UUID functions)

Task #7342: Added FindQPID support to CMake, and updated lhn001,2 variant files to include QPID install locations

Task #5781: Attempted reintegration of task branch into trunk (error has been reported: svn: E155023: Can't set properties on'/data1/schoenma/LOFAR_trunk/src/LOFAR/RTCP/Interface': invalid status for updating properties.

- added HAVE_WCSLIB
- added CMAKE_INSTALL_PREFIX

Bug 1617: We don't need a configure test for __cxa_demangle(). Every GNU C++ compiler supports it, so we can simply test for the __GNUG__ preprocessor variable.

bug 1362: properly check for getprotobyname_r, which is not available on Mac OS/X and has a different calling convention on Solaris

around problem with incompatible declaration of basename() in string.h which
uses strict ISO prototyping when using g++ >= 4.4

Note: changes in RTCP still need to be committed, awaiting aproval of John Romein

maintainable.