workaround to resolve TDOMF & Mandrill conflict
Add wpMandrill & email users to repo
Update session submission form to include new tracks & move session difficulty tag above
Update session submission form to include new tracks & move session difficulty tag to better location. Closes #8
Merge branch 'dev' of https://github.com/BarcampBangalore/bcb into dev
Hack in minimum character limit to the TDOMF plugin
Merge branch 'dev'

- Add Mandrill & Email users
- Hack in minimum character limit to the TDOMF plugin
- Workaround for TDOMF & wpMandrill conflict