Merge pull request #1 from minasdev/master

adding how to contribute and making some minor changes
adding conditional to minasdev-beer events rendering
changing var declaration
Merge branch 'minasdev-beer-date-conditional' of github.com:lurimendes/minasdev.org into lurimendes-minasdev-beer-date-conditional

* 'minasdev-beer-date-conditional' of github.com:lurimendes/minasdev.org:
  changing var declaration
  adding conditional to minasdev-beer events rendering
Merge branch 'lurimendes-minasdev-beer-date-conditional'

* lurimendes-minasdev-beer-date-conditional:
  changing var declaration
  adding conditional to minasdev-beer events rendering
close #9.