slf4j 1.7.2 (same as neo 2.6.1)

& commented out jquery-ui
Change-Id: I48bf427648ff377bc02fde9f68b3f8653c9a08c6
Set release version 5.1.1

Change-Id: Ifd838f67f8ec26b03a21d9ce8dfd41299bd864e9
Next development version 5.1.2-SNAPSHOT

Change-Id: I073c14020099d1b272f5a340d3a4ead576759a8f