ISSUE:  PURPOSE: Cleaning up the kurator-web README file. DESCRIPTION: Removed some of the pip/python directions that pertain to kurator-akka and kurator-validation.  Provided description of error messages that may indicate missing python modules.  Added a how do I start this again reminder near the end of the readme.
ISSUE:  PURPOSE: Cleaning up the kurator-web README file. DESCRIPTION: Removed some of the pip/python directions that pertain to kurator-akka and kurator-validation.  Provided description of error messages that may indicate missing python modules.  Added a how do I start this again reminder near the end of the readme.

kurator-org/kurator-web,kurator-org/kurator-web,kurator-org/kurator-web,kurator-org/kurator-web