Rename python module name to 'bcc' from 'bpf'

* Rename python module to bcc
* Rename python-bpf (deb,rpm) package to python-bcc
* Pending this change, I will likely re-tag 0.1.6, and upload the bcc
  package to pypi.python.org

Signed-off-by: Brenden Blanco <bblanco@plumgrid.com>
diff --git a/examples/simple_tc.py b/examples/simple_tc.py
index f0258e5..4dd8aa5 100755
--- a/examples/simple_tc.py
+++ b/examples/simple_tc.py
@@ -2,7 +2,7 @@
 # Copyright (c) PLUMgrid, Inc.
 # Licensed under the Apache License, Version 2.0 (the "License")
 
-from bpf import BPF
+from bcc import BPF
 from pyroute2 import IPRoute
 
 ipr = IPRoute()