ENH: Added kwsysProcess_Disown an kwsysProcess_Option_Detach to allow detached processes to be created.  Currently implemented only on UNIX.

ENH: add CMAKE_FILE_PATH, CMAKE_PROGRAM_PATH, CMAKE_LIBRARY_PATH, and search them first, PATH second, and last the paths listed in the FIND call

not compatable with the Carbon or Cocoa libraries.

a) new version of tools like Doxygen and Graphviz now set install path info in win32 registery. Update the CMake modules.
b) remove DOT_PATH from CMake module, it was polluting the cache (can be computed from DOT, update project's CMakeLists.txt accordingly if DOT_PATH is not defined)

clusters.

BUG: undo last bug fix because it breaks cmake, rebuild_cache on ParaView gets tons of errors about not being able to create the bin directory

* ERR: Can't initialize a non-scalar iterator with an int. (Fixes
  dashboard error.)