rename redundant point.pointFromX to point.fromX

lib/point.js

@@ -7,7 +7,7 @@ var p = ec.curve.point();
 var Curve = Object.getPrototypeOf(ec.curve);
 Point.prototype = Object.getPrototypeOf(p);
 
-Point.pointFromX = ec.curve.pointFromX.bind(ec.curve);
+Point.fromX = ec.curve.pointFromX.bind(ec.curve);
 
 Point.getG = function() {
   var p = Point(ec.curve.g.getX(), ec.curve.g.getY());

test/test.point.js

@@ -79,11 +79,11 @@ describe('point', function() {
 
   });
 
-  describe('#pointFromX', function() {
+  describe('#fromX', function() {
     
     it('should return g', function() {
       var g = point.getG();
-      var p = point.pointFromX(false, g.getX());
+      var p = point.fromX(false, g.getX());
       g.eq(p).should.equal(true);
     });