- change esl connection
 - monitor connection every second and connect if not connected
 - upgrade esl jar versions
 - use version 3.2 of netty
 - minor formatting changes
 - subscribe to events
 - simplify handling and sending of events
 - modify ESL connect startup so that it will continue to try to register with ESL
Merge branch 'master' into modify-esl-startup
Updated DataGrid for Presenter-side poll results
Changed didNotVote() to reflect new results view
Changed createResultsTable() to reflect new results view
Added accessibilityName to setUrlBoxText()
Removed references to tabIndex for now; they will be put back in the branch for importing tab order. Other small adjustments.
More minor adjustments to Statistics window to work with results view.
Modified createButtons() in Voting window. Commented out references to tabIndex and baseIndex, they will be enabled in a future branch dealing with tab order.
Imported accessible voting interface.
Restored algorithm to determine voting window size.
Adjusted Voting window. Something is amiss.
Solved the problem of the Voting window appearing incorrectly. Ready for the next branch of polling accessibility features: tab indexes.