add zope.interface to requirement package
# Please enter the commit message for your changes. Lines starting
# with '#' will be kept; you may remove them yourself if you want to.
# An empty message aborts the commit.
# On branch master
# Changes to be committed:
#   (use "git reset HEAD <file>..." to unstage)
#
#	modified:   pymw/wrapper.py
#	modified:   requirements.txt
#
# Untracked files:
#   (use "git add <file>..." to include in what will be committed)
#
#	pymw/decorator.py
add pypi icon, and travis icon