Fixed jshint warnings
Fixed jshint warnings

BobJavascript/ManifoldJS,manifoldjs/ManifoldJS,dragthor/ManifoldJS,AuyaJackie/ManifoldJS,ArchivedRepos/ManifoldJS,f2bo/ManifoldJS-lib,f2bo/ManifoldJS,NoobsArePeople2/ManifoldJS,beni55/ManifoldJS,f2bo/ManifoldJS-lib,f2bo/ManifoldJS,maitret/ManifoldJS