Clean up Jenkinsfile (#2372)
Clean up Jenkinsfile (#2372)

* Remove unnecessary workspace param

* Remove misleading comment

* Remove method used in one place

* Always run maven in batch mode

* Use .each to avoid re-assign trick

* Re-arrange jenkinsfile

* Only print success/failure at end of build

* Return of Todo

* Don't use reserved name `run`

* Replace `pwd` with call `pwd()`

* Add post-processing log to artifacts

* whoops

* Checkout so we can access tear-down script

* Revert "Return of Todo"

This reverts commit 6a0feabd639b4c02b5c37d050116a9269921f57c.

* Add back workspace parameter

lolski/grakn,graknlabs/grakn,lolski/grakn,graknlabs/grakn,lolski/grakn,graknlabs/grakn,graknlabs/grakn,lolski/grakn