minor update on _social.html.haml

added an article
BAKIT KASI WALANG VALIDATION SA AMOUNT PETE?????
Merge pull request #4 from pageman/patch-4

minor update on _social.html.haml
Merge pull request #5 from kendaganio/validate-pledges

BAKIT KASI WALANG VALIDATION SA AMOUNT PETE?????
Update README.rdoc
Adds validations. Removes tracking of unpaid pledges