Non-ascii character in doc causing issues file_bundle_utils.py

[avrata]

Bug Report

Incorrect Functionality and General Questions

I noticed a non-ascii char in "file_bundle_utils.py"

To Reproduce

otiopluginfo
...
SyntaxError: Non-ASCII character '\xc2' in file /scratch/opentimelineio-0.14dev1_pixar.02/lib/python2.7/site-packages/opentimelineio/adapters/file_bundle_utils.py on line 113, but no encoding declared; see http://python.org/dev/peps/pep-0263/ for details

[ssteinbach]

Closed by #939