Update configuration and build files.

* Update CMake process
  -- Read version number from config/VERSION.txt
  -- Increase min optimazation level to -O1 and add warning not to
     use -O0 option.
  -- Re-enable used of FindBoost, add support for 1.56 and 1.57 versions
  -- Use ${NETCDF_INCLUDES} to find ncks instead of hardcoding
  -- Move usmlBuildStudies.cmake and usmlBuildTest.cmake to config dir
  -- Remove Boost_FORCE_SHAREDLIB option, no longer used
  -- Remove USML_SAFE_BESSEL option, will hardcode where used.
  -- Remove  GPROF_PROFILER option, not needed by valgrind
  -- Move all Additions logic to the end.
  -- Change default for USML_PEDANTIC and USML_BUILD_STUDIES to OFF.

* Update make_tar.sh proccess
  -- Read version number from config/VERSION.txt
  -- Move script to config directory and allow it to locate itself.
  -- Automatically run doxugen if html directory missing
  -- Write outputs to ../usml-delivery insteal of ..
  -- Add delivery of *.pdf reports used on web site.
  -- Update usml_frontpage.html for version 1.0.0
  -- Add brief option to only build source tar ball

* Update install documentation.
* Remove RPM generation process