Add more comments, code prettify
Merge pull request #4 from ikalnitsky/code-prettify

Add more comments, code prettify
Use dooku.conf for managing app's configuration
Use dooku.datetime for local timezone info

Aside from main changes, bugfixes are introduced too.
Merge pull request #5 from ikalnitsky/dooku-integration

Dooku integration
Fix tox.ini - Travis-CI should not fail now
Merge pull request #7 from ikalnitsky/fix-tox

Fix tox.ini - Travis-CI should not fail now
Initial implementation of pluggable commands system.

The CommandManager class in commad.py loads names of all
available commands and invokes the one that was specified
by a user in command line.