Removing roro references.

I've done this for two reasons: firstly, roro is a meaningless acronym for those new to the community. It's not explained anywhere on the site. Secondly, we're on ruby.org.au - of course the meetings are ruby meetings! Just list the cities, keep it simple and clean.
Merge pull request #6 from freelancing-god/no-roro

Removing roro references.
Updated meetup pages
Updated Brisbane Ruby and Rails meetup details
Merge pull request #8 from nigelr/master

Brisbane Ruby Meetup details
"Deploy" task actually "deploys" the app
- Using git push -f. I think this is acceptable.
Committing changes to the generated site
Update pages/meetups/syd.html.haml
Committing changes to the generated site
Update pages/meetups/syd.html.haml
Committing changes to the generated site
Add a note about the current state of RORO Perth
Merge pull request #9 from Sutto/patch-1

Add a note about the current state of RORO Perth
Committing changes to the generated site
Minor corrections to README
Set date of Sydney meetup in May
Committing changes to the generated site
Current April speakers for Melbourne
Fixing date.
Updated with latest Melb meet details.