Added alt import for ipython4

Works in python 2.7.9 and 3.4.2 with ipython 4

blender_ipython_wrapper.py

@@ -15,7 +15,10 @@ def launch_kernel(argv):
 		f.write("""\
 import sys
 sys.argv[:] = [sys.executable]
-from IPython.zmq.ipkernel import IPKernelApp
+try:
+	from IPython.zmq.ipkernel import IPKernelApp
+except ImportError as err:
+	from ipykernel.kernelapp import IPKernelApp
 
 app = IPKernelApp.instance()
 app.initialize(%r)