Fixed bug in weave tool unit test
Fixed bug in weave tool unit test

-- Certain versions of openssl produce slightly different outputs when printing an X.509
certificate in text form.  This change updates TestWeaveTool.py to cope with these
differences.

openweave/openweave-core,openweave/openweave-core,openweave/openweave-core,openweave/openweave-core,openweave/openweave-core,openweave/openweave-core