http://twitter.com/#!/Schwaggggggg/status/505558549594775554 Saturday morning, the hashtag #JusticeForAvaLynn is one of the top trending topics in the U.S., with thousands of people (including several celebs) trying to raise awareness of the alleged schoolyard beating of a young Mississippi girl named AvaLynn. http://twitter.com/#!/KaliHawk/status/505628430948249600 http://twitter.com/#!/Shaniceonline/status/505652413324619776 http://twitter.com/#!/MeaganGood/status/505617479020736512 http://twitter.com/#!/levimitchell/status/505566658761457664 http://twitter.com/#!/WreakingHavoQ/status/505566358398984193 The injury occurred Tuesday at Arlington Elementary School in Pascagoula, Miss. The Pascagoula School District reportedly issued this statement about…