Removed old test cases for backend
Updated coverage gathering
Added utility methods
Added tests for element_* connection_* and topology_* API calls
Merge branch 'master' of github.com:GLab/ToMaTo into test_cases
Test cases for tasks
Test cases for tasks and organizations
Merge branch 'master' into test_cases
Merge branch 'master' into test_cases
Merge branch 'master' into test_cases
Adapted test cases
Added sites test cases
some more tests
Merge pull request #711 from dswd/test_cases

Test cases