Releasing 0.8.0

Little bug fix

Adding :multiple option to badge granting (fixes merit-gem#3)

Fixing mass-assignment for BadgesSash.

Adding attr_accessible to MeritAction. Compliant with new config.acti…

…ve_record.whitelist_attributes=true Rails default.

Rules are being checked again. Little bug fix. :-p (fixes merit-gem#2)

Namespacing Rules into Merit module.

Logging points and badges granting and removing.

Fixed gemspec

README update, explaining new rankings. Releases v0.4.0.