Update spec to v0.8.9 rev2 (#573)
Update spec to v0.8.9 rev2 (#573)

* Trigger-Rule example with Deployment File.

* Trigger-Rule example with Deployment File.

* Trigger-Rule example with Deployment File.

* Update Spec. 0.8.9 to Rev. 2

* Update Spec. 0.8.9 to Rev. 2

* Update Spec. 0.8.9 to Rev. 2

* undo some unintended changes

* undo some unintended changes

* small change to example 6 discussion

pritidesai/incubator-openwhisk-wskdeploy,pritidesai/incubator-openwhisk-wskdeploy,daisy-ycguo/wskdeploy,daisy-ycguo/wskdeploy,daisy-ycguo/wskdeploy,openwhisk/openwhisk-wskdeploy,pritidesai/incubator-openwhisk-wskdeploy,openwhisk/openwhisk-wskdeploy,daisy-ycguo/wskdeploy,pritidesai/incubator-openwhisk-wskdeploy,pritidesai/incubator-openwhisk-wskdeploy,openwhisk/openwhisk-wskdeploy,pritidesai/incubator-openwhisk-wskdeploy,pritidesai/incubator-openwhisk-wskdeploy,pritidesai/incubator-openwhisk-wskdeploy,daisy-ycguo/wskdeploy,daisy-ycguo/wskdeploy,openwhisk/openwhisk-wskdeploy,daisy-ycguo/wskdeploy