v0.1.3

Changelog

fb98e88 add first pass at metrics command. Closes #177
a491f40 add CONTRIBUTING.md. Closes #196
f2ed01f add minimum IAM policy. Closes #176
3f9fd7c add .name to the error, in case it is inferred. Closes #191
bde086f add force rewrite support. Closes #181
b838a14 add first pass of stack show. Closes #178
bdf29af fix handling of GetRole permission issues
4a7666c fix typo in upgrade output