Update release notes for v2.2.0

Update release notes for v2.1.0

Set pyup.io schedule to monthly

Try to fix deploy by removing after_success from deploy stage

Update release notes for v1.3.0

Narrow officially supported versions of Python to 2.7 and 3.6

Update release date for v1.1.1

Add python 3.5 to classifiers

Bump version number to 1.0 and development status to stable