Update SeedClient API to NUTCH-2086 API
Update SeedClient API to NUTCH-2086 API

Remove seedList parameter from /seed/create
See: https://issues.apache.org/jira/browse/NUTCH-2086

chrismattmann/nutch-python,YongchaoShang/nutch-python,YongchaoShang/nutch-python,sujen1412/nutch-python,memex-explorer/nutch-python,sujen1412/nutch-python,chrismattmann/nutch-python,memex-explorer/nutch-python