[BACKLOG-18634] - Changed README.md to reflect the correct way to run tests.  Made other minor changes to improve accuracy, readability and consistency.
[BACKLOG-18634] - Changed README.md to reflect the correct way to run tests.  Made other minor changes to improve accuracy, readability and consistency.

kurtwalker/modeler,pentaho/modeler,DFieldFL/modeler,SergeyTravin/modeler,kurtwalker/modeler,SergeyTravin/modeler,pentaho/modeler,DFieldFL/modeler