Fixing demo runner: used to print empty newline at beginning of demo.

Also putting license below the fold (adding back to storage demo).
This is so that the user sees the message
"You don't need to do anything, just keep hitting enter..."
is printed first.

Author: dhermes

gcloud/datastore/demo/demo.py

@@ -1,3 +1,7 @@
+# Welcome to the gCloud Datastore Demo! (hit enter)
+# We're going to walk through some of the basics...
+# Don't worry though. You don't need to do anything, just keep hitting enter...
+
 # Copyright 2014 Google Inc. All rights reserved.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
@@ -11,9 +15,6 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-# Welcome to the gCloud Datastore Demo! (hit enter)
-# We're going to walk through some of the basics...
-# Don't worry though. You don't need to do anything, just keep hitting enter...
 
 # Let's start by importing the demo module and initializing our connection.
 from gcloud import datastore

gcloud/demo.py

@@ -41,9 +41,11 @@ def from_module(cls, module):
     def run(self):
         line_groups = itertools.groupby(self.lines, self.get_line_type)
 
+        newline = False  # Don't use newline on the first statement.
         for group_type, lines in line_groups:
             if group_type == self.COMMENT:
-                self.write(lines)
+                self.write(lines, newline=newline)
+                newline = True
 
             elif group_type == self.CODE:
                 self.code(lines)
@@ -70,8 +72,8 @@ def _print(self, text='', newline=True):
         if newline:
             sys.stdout.write('\n')
 
-    def write(self, lines):
-        self._print()
+    def write(self, lines, newline=True):
+        self._print(newline=newline)
         self._print('\n'.join(lines), False)
         self.wait()
 

gcloud/storage/demo/demo.py

@@ -1,8 +1,21 @@
 # Welcome to the gCloud Storage Demo! (hit enter)
-
-# We're going to walk through some of the basics...,
+# We're going to walk through some of the basics...
 # Don't worry though. You don't need to do anything, just keep hitting enter...
 
+# Copyright 2014 Google Inc. All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 # Let's start by importing the demo module and getting a connection:
 import time