Fixed display error when using --carrier-status-by-phenotype

Phenotype statuses with 'None' were not being placed into the
unknown bin.
Update setup.py

Testing browser issues.
Update setup.py
Fix browser mode.

Data files weren't installed previously, so bottle would complain of
missing templates.
Update setup.py
Additional fixes to enable browser in standard installs: include jinja2 dependency and clean up requirements. Fixes #168
Merge setup.py fixes
Include pip/easy_install/distribute fix as part of upgrade process