Add missing copyright headers

Fixes #5

src/BuildVolume.py

@@ -1,3 +1,6 @@
+# Copyright (c) 2015 Ultimaker B.V.
+# Cura is released under the terms of the AGPLv3 or higher.
+
 from UM.View.Renderer import Renderer
 from UM.Scene.SceneNode import SceneNode
 from UM.Application import Application

src/CameraAnimation.py

@@ -1,3 +1,6 @@
+# Copyright (c) 2015 Ultimaker B.V.
+# Cura is released under the terms of the AGPLv3 or higher.
+
 
 from PyQt5.QtCore import QVariantAnimation, QEasingCurve
 from PyQt5.QtGui import QVector3D

src/ConvexHullJob.py

@@ -1,3 +1,6 @@
+# Copyright (c) 2015 Ultimaker B.V.
+# Cura is released under the terms of the AGPLv3 or higher.
+
 from UM.Job import Job
 from UM.Application import Application
 from UM.Math.Polygon import Polygon

src/ConvexHullNode.py

@@ -1,3 +1,6 @@
+# Copyright (c) 2015 Ultimaker B.V.
+# Cura is released under the terms of the AGPLv3 or higher.
+
 from UM.Scene.SceneNode import SceneNode
 from UM.Resources import Resources
 from UM.Math.Color import Color

src/CuraApplication.py

@@ -1,3 +1,6 @@
+# Copyright (c) 2015 Ultimaker B.V.
+# Cura is released under the terms of the AGPLv3 or higher.
+
 from UM.Qt.QtApplication import QtApplication
 from UM.Scene.SceneNode import SceneNode
 from UM.Scene.Camera import Camera

src/PlatformPhysics.py

@@ -1,3 +1,6 @@
+# Copyright (c) 2015 Ultimaker B.V.
+# Cura is released under the terms of the AGPLv3 or higher.
+
 from PyQt5.QtCore import QTimer
 
 from UM.Scene.SceneNode import SceneNode

src/PlatformPhysicsOperation.py

@@ -1,3 +1,6 @@
+# Copyright (c) 2015 Ultimaker B.V.
+# Cura is released under the terms of the AGPLv3 or higher.
+
 from UM.Operations.Operation import Operation
 from UM.Operations.AddSceneNodeOperation import AddSceneNodeOperation
 from UM.Operations.TranslateOperation import TranslateOperation

src/PrintInformation.py

@@ -1,3 +1,6 @@
+# Copyright (c) 2015 Ultimaker B.V.
+# Cura is released under the terms of the AGPLv3 or higher.
+
 from PyQt5.QtCore import QObject, QDateTime, QTimer, pyqtSignal, pyqtSlot, pyqtProperty
 
 from UM.Application import Application