Remove suspicious print statement

This looked out of place for the GTK client...
Merge pull request #518 from jamesob/master

Remove suspicious print statement
Cleaned up/commented BIP 0032 key derivation.
Add OpenBSD support to util.py

Recognize OpenBSD platform
Merge pull request #525 from bitcoindaddy/patch-1

Add OpenBSD support to util.py
Merge pull request #504 from wyager/master

Unnecessary definition
Coinbase BuyBack plugin
Merge pull request #526 from ortutay/buybackplugin

Coinbase BuyBack plugin
fix tx dialog
installwizard: set network to None if offline
rm coinbase plugin until fixed
version 1.9.7
parse_url: parse exponents
this should fix issue #531
coinbase buyback plugin with httplib2 removed
rm coinbase cert, as httplib cannot use it
Merge pull request #534 from ortutay/rmh2dep

remove httplib2 dependency for coinbase buyback
gui: insert used addresses first