Test updates part 1

Test updates part 1:
- test_erg_tools
- test_build_elevation
- test_geonames_tools
- test_imagery_tools
- test_network_data_prep
- test_patrol_data_capture
- test_position_analysis
- test_publishable_tasks
- test_scanned_map_tools
- test_topographic_tools
Merge pull request #103 from mfunk/master

Test updates part 1