Merge pull request #63 from joakim-hove/python-install

Python install
Started on python + ctest integration
Added ctest_run() to sum_test.py
Changed location of runpath_list to CWD/.ert_runpath_list
Added test_exit() macro and test_exit__() function for exit() + message with file:line
Minor compile fix?
Started on work with CTest of Python code
More work on integrating python and ctest (ERT-113)
Merge branch 'master' into python-ctest
Merged gui branch
More python ctest fixes ERT-113
Moved test running to ctest_run + added Python testing for ecl_kw and ecl_grid (ERT-113)
Added stringlist.__setitem__ + test in CTEst (ERT-113)
Merge pull request #3 from joakim-hove/python-ctest

Started to integrate python test infrastructure with CTest