Show upcoming confirmed workshops in the dashboard
Display workshop details in the profile page
Merge pull request #38 from baijum/upcoming-workshops

Show upcoming confirmed workshops in the dashboard
read facebook and google client keys from env.
tweaks to profile page.
Moved the set-trainer template in right place.
More tweaks to profile page.
Beautified HTML emails.
Using pynliner module for inlining CSS styles.

It takes care of inlining CSS so that we don't have to worry about it.
fix(PEP8): add flake8, remove PEP8 warning/errors

- add setup.cfg for holding flake8 settings
- removed many unused imports in webapp.py
- fixed whitespaces
- updated