Merge pull request openwallet-foundation#129 from andrewwhitehead/dem…

…o-fixes

Fixes for running agents via docker; fix for running demo agents directly

Merge pull request openwallet-foundation#81 from nrempel/master

bump version number

Merge pull request openwallet-foundation#77 from nrempel/0.2.0

Prepare for version 0.2.0 release