Improve transform of avatar to convert all images into jpeg

lib/file.coffee

@@ -1,13 +1,13 @@
 if Meteor.isServer
 	transformWrite = (file, readStream, writeStream) ->
-		RocketFile.gm(readStream, file.fileName).resize(10, 10).stream().pipe(writeStream)
+		RocketFile.gm(readStream, file.fileName).background('#ffffff').resize(200, 200).gravity('Center').extent(200, 200).stream('jpeg').pipe(writeStream)
 
-	@RocketFileInstance = new RocketFile.GridFS
-		name: 'avatars'
-		transformWrite: transformWrite
+	# @RocketFileInstance = new RocketFile.GridFS
+	# 	name: 'avatars'
+	# 	transformWrite: transformWrite
 
-	# @RocketFileInstance = new RocketFile.FileSystem
-		# transformWrite: transformWrite
+	@RocketFileInstance = new RocketFile.FileSystem
+		transformWrite: transformWrite
 
 	HTTP.methods
 		'/avatar/:username':