Merge pull request #76 from myrseth/gui

Gui
Made sure the import_test fails with an exception if import fails
Removed /test suffix from PYTHONPATH argument to all ctest_run tests + changed ERT_SHARE_PATH env value
Changed from util_scanf_int to util_sscanf_int, wrong method was called
Merge pull request #93 from flikka/master

Mistake using util_scanf_int instead of util_sscanf_int