Harvesting ui and tests

[sandrarum]

Ui improvements, tests still missing

[coveralls]

Pull Request Test Coverage Report for Build 94

• 42 of 156 (26.92%) changed or added relevant lines in 12 files are covered.
• 9 unchanged lines in 2 files lost coverage.
• Overall coverage decreased (-0.4%) to 55.022%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
src/pkan/dcatapde/config/views.py	0	1	0.0%
src/pkan/dcatapde/content/harvester_field_config.py	0	1	0.0%
src/pkan/dcatapde/browser/add_views/field_config.py	2	3	66.67%
src/pkan/dcatapde/content/harvester.py	3	4	75.0%
src/pkan/dcatapde/browser/edit_views/field_config.py	2	3	66.67%
src/pkan/dcatapde/content/fielddefaultfactory.py	3	4	75.0%
src/pkan/dcatapde/api/harvester.py	0	2	0.0%
src/pkan/dcatapde/harvesting/source_type/data.py	0	7	0.0%
src/pkan/dcatapde/browser/content_views/harvester.py	11	43	25.58%
src/pkan/dcatapde/api/harvester_field_config.py	19	86	22.09%

Files with Coverage Reduction	New Missed Lines	%
src/pkan/dcatapde/harvesting/source_type/data.py	1	15.63%
src/pkan/dcatapde/api/harvester.py	8	38.33%

Totals
Change from base Build 91:	-0.4%
Covered Lines:	1890
Relevant Lines:	3435

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💛 - Coveralls