Improved search datasources: search works with paging
i18n fix
timeout test implemented
session registation and job acknowledgement moved to initiator

It is possible that the LoaderSession is not started due to a failure in
the data source. This resulted in jobs not being acknowledged causing
the import job execution to halt completely.
Merge pull request #109 from IDgis/loader-initiation-timeout

Loader initiation timeout
Merge pull request #111 from IDgis/datasource-improvements

Datasource improvements
Dataset status split into import status and service status
service job logging implemented
dataset status display improved
npe fix
TypedIterable.asCollection implemented
GetActiveJobs implemented for service job executor