display a dash instead of a zero when no final estimate has been entered for the given requirement
User can now see the session info properly update when switching the selected session.
Merge pull request #172 from TheTeam8s/bug169

Session info properly updates when selecting a different session in the session list
Merge pull request #170 from TheTeam8s/feature-displayDashInsteadOfZeroWhenNoEstimateSubmitted2

display a dash instead of a zero when no final estimate has been entered...
Ensure that live updating doesn't send an update back to the originator
No longer reselects cards of the same value when it shouldn't on a revote attempt
Merge pull request #175 from TheTeam8s/bug-doubleupdate

Ensure that live updating doesn't send an update back to the originator
Add pretty icons to the voting page
Users can only enter positive integers now
Modified estimateValueChange to be private
Merge pull request #177 from TheTeam8s/bug-cardReselection

No longer reselects cards of the same value when it shouldn't on a revot...
Merge pull request #179 from TheTeam8s/feature-prettyicons

Add pretty icons to the voting page
Merge pull request #183 from TheTeam8s/bug-decimalsInVote

Users can only enter positive integers now
Merge remote-tracking branch 'origin/theteam8s' into feature-seeReq
Changed the text fields to text areas to allow line wrapping, made description a scroll pane with a text area in it.