SSDM-13463 : Export selection of fields from tables - UI part - in development mode serve the admin ui at '/admin' path and 9999 port

SSDM-13463 : Export selection of fields from tables - UI part - use labels for column headers in TSV export

SSDM-13256: Putting "$" and "Auto generate code" next to each other. Fixed the displayed archiving status.

SSDM-13256: Fixing a corner case when exporting a property type which is absent in the type of the exported sample.

SSDM-13251: Added missing transaction api methods handling to server, java-client and javascript-client

Merge branch 'ssdm-13450-export-selection-of-fields' of sissource.ethz.ch:sispub/openbis into ssdm-13450-export-selection-of-fields

SSDM-13251: Added simple implementations of TwoPhaseTransactionAPI methods to server-data-store java client

SSDM-13456: obis search command now includes recursive search in samples/datasets. Refactored documentation. obis-0.4.2rc1

SSDM-13489: wrapping data sets in hierarchical content: instead of calling AS for each data set only one call for all data sets is invoked

SSDM-13463 : Export selection of fields from tables - UI part - change UI constants to match the server counterparts