Remove pretty logging
update doc
update setup.py
unicode bug fix. thanks @dalang
update doc
add `BaseRoBot` class
Rename `WeRoBot.app` to `WeRoBot.wsgi`
add gitignore for virtualenv
Merge branch 'release/v0.3.5'

Conflicts:
	docs/changelog.rst
	werobot/__init__.py
Merge branch 'develop'
add coveralls support
Not bottle inside
Merge branch 'master' into develop