Fix maven url, update version (#861)
Fix maven url, update version (#861)

* Fix maven url, update version

 - In current version search query is `g:"com.pushtorefresh.storio3"`, must be `com.pushtorefresh.storio3`
 - Also update version from 2.0.0 to 2.1.0

* Fix group id

* Revert some other links to storio2

geralt-encore/storio,TonyTangAndroid/storio,pushtorefresh/storio,pushtorefresh/storio,TonyTangAndroid/storio,pushtorefresh/storio,geralt-encore/storio,geralt-encore/storio