cplex-shared.cmake:
- Force cplex to be relocated, even if it was found previously.
- Ensure we always use the STATIC library as input, even if a .so already exists.
ilastik.cmake: Added nose dependency
ilastik: setenv_ilastik_gui clears out any previous PYTHONPATH
Merge branch 'master' of https://github.com/janelia-flyem/buildem