Back-end supports poll expiry
Small fix to voting accordion.
Poll expiry creation completed on front-end
Front-end changes to show time remaining
Various fixes
Add tooltip info for vote type

Adds a short description of each type of voting strategy, displayed in
a tooltip when hovering over the "[?]" tag
Merge pull request #96 from tpkelly/feature/voting-info-tooltip

Add tooltip info for vote type
Adds new default date
Merge remote-tracking branch 'upstream/develop' into feature/poll-time-limits

Conflicts:
	VotingApplication/VotingApplication.Web.Api/Scripts/Create.js
	VotingApplication/VotingApplication.Web.Api/Scripts/Poll.js
Merge pull request #98 from stevenhillcox/feature/poll-time-limits

Feature/poll time limits
Merge branch 'upstream' into feature/STV-results

Conflicts:
	VotingApplication/VotingApplication.Web.Api/Styling/style.css