Merge pull request #138 from joakim-hove/master

Changed remaining(?) tests to use test_work_area
Merge remote-tracking branch 'upstream/master'
Merge pull request #139 from joakim-hove/master

Use test_work are in two tests.
Merge remote-tracking branch 'upstream/master'
Added missing break statement in switch
Added missing break statement in switch
Added sum_test loading case with segment variables
Added 8 digit random int to test_work_area path
Merge pull request #140 from joakim-hove/ecl-sum-segment-bug

Ecl sum segment bug
Ensure that summary segment variables with segment nr < 0 are ignored
Merge remote-tracking branch 'upstream/master' into libtest_util
Merge pull request #143 from joakim-hove/ecl-sum-segment-bug

Ensure that summary segment variables with segment nr < 0 are ignored
Merge remote-tracking branch 'upstream/master' into libtest_util
Added random part to LSF and RSH work path
Added test_work_area to job_workflow_test
Fixed test ecl_file to protect against write
Tided up some lines visually
Fixed some write logic
using work_area in test ecl_kw_grdecl
Merge pull request #144 from joakim-hove/libtest_util

Updated test_work_area_type