update some packages and remove node_modules from repo

app/node_modules/cuint/test/UINT64_rotateLeft-test.js

@@ -1,51 +0,0 @@
-var assert = require('assert')
-var UINT64 = require('..').UINT64
-
-describe('rotateLeft method', function () {
-
-  describe('0rotl1', function () {
-
-    it('should return 0', function (done) {
-      var u = UINT64(0).rotateLeft(1)
-
-      assert.equal( u.toNumber(), 0 )
-      done()
-    })
-
-  })
-
-  describe('1rotl2', function () {
-
-    it('should return 4', function (done) {
-      var u = UINT64(1).rotateLeft(2)
-
-      assert.equal( u.toNumber(), 4 )
-      done()
-    })
-
-  })
-
-  describe('1rotl16', function () {
-
-    it('should return 2^16', function (done) {
-      var n = Math.pow(2, 16)
-      var u = UINT64(1).rotateLeft(16)
-
-      assert.equal( u.toNumber(), n )
-      done()
-    })
-
-  })
-
-  describe('1rotl32', function () {
-
-    it('should return 1', function (done) {
-      var u = UINT64(1).rotateLeft(32)
-
-      assert.equal( u.toString(16), '100000000' )
-      done()
-    })
-
-  })
-
-})