Update .gitattributes
Update .gitattributes

I got a little over zealous w/o though; the bower & package json file should remain.
Iamlars/scrollReveal.js,ganeshaproduccions/scrollReveal.js,lukeskip/scrollReveal.js,BrianSHa/scrollReveal.js,LeoEatle/scrollReveal.js,gercheq/scrollReveal.js,rubensfast/scrollReveal.js,WongOnSoManyLevels/scrollReveal.js,johnnymitch/scrollReveal.js,odelens/scrollReveal.js