Update pillow and support python2.7 version

deps/python-pillow.json

@@ -7,8 +7,23 @@
     "sources": [
         {
             "type": "archive",
-            "url": "https://files.pythonhosted.org/packages/3c/7e/443be24431324bd34d22dd9d11cc845d995bcd3b500676bcf23142756975/Pillow-5.4.1.tar.gz",
-            "sha256": "5233664eadfa342c639b9b9977190d64ad7aca4edc51a966394d7e08e7f38a9f"
+            "url": "https://files.pythonhosted.org/packages/5b/bb/cdc8086db1f15d0664dd22a62c69613cdc00f1dd430b5b19df1bea83f2a3/Pillow-6.2.1.tar.gz",
+            "sha256": "bf4e972a88f8841d8fdc6db1a75e0f8d763e66e3754b03006cbc3854d89f1cb1"
+        }
+    ],
+    "modules": [{
+            "name": "python2-pillow",
+            "buildsystem": "simple",
+            "build-commands": [
+                "python2 setup.py build_ext --disable-zlib --disable-jpeg install --prefix=/app --root=/"
+            ],
+            "sources": [
+                {
+                    "type": "archive",
+                    "url": "https://files.pythonhosted.org/packages/5b/bb/cdc8086db1f15d0664dd22a62c69613cdc00f1dd430b5b19df1bea83f2a3/Pillow-6.2.1.tar.gz",
+                    "sha256": "bf4e972a88f8841d8fdc6db1a75e0f8d763e66e3754b03006cbc3854d89f1cb1"
+                }
+            ]
         }
     ]
 }