Merge pull request #33 from hackerspacesg/url

Record URL in events.json for marking up on homepage
Convert abbr to time
https://github.com/hackerspacesg/hackerspace.sg/pull/31#issuecomment-33559442
Merge branch 'master' of github.com:hackerspacesg/hackerspace.sg into time

Conflicts:
	contents/_index/events.json
Merge pull request #34 from hackerspacesg/time

Convert abbr to time
Markup URL, fixes #11