Cireqs

------------------

* introduce verify and expand and deprecate verify_requirements and expand_requirements by showing warnings
* message when commands are successful

------------------

* default timeout value for docker operations increased to 120 seconds (from 10)

------------------

* single source version in setup.py and cli

------------------

* tox testing for py27, py33, py34, py35, py36
* more thorough diffing of requirements files
* more tests
* use prospector for linting

------------------

* readme changes
* cli splash changes
* make cireqs functions pass python version to docker_execute
* pass timeout param from cli to cireqs

------------------

* missing manifest file