improve REAME add installation instructions

Author: Ross McDonald

README.md

@@ -2,24 +2,40 @@
 
 Command line interface for Protean.
 
+
+## Installation
+
+[Download](https://github.com/passivsystems/protean-cli/releases/download/0.4.0/protean-cli-0.4.0.tgz) the release.
+Unzip/extract tar and place the two files in the same location on your path somewhere.
+
 ## Usage
 
+    java -jar protean.jar
+
+or
+
     protean
 
 will show usage instructions.
 
     protean services
 
+or
+
+    java -jar protean.jar services
+
 will list configured services.
 
-We recommend 'drip' (github.com/flatland/drip) to speed things up with the command line.
+We recommend 'drip' (github.com/flatland/drip) to speed things up with the command line.  The sample script uses drip.
+
 
 ## Build
 
     lein uberjar
 
 if you want to build from source 
 
+
 ## License
 
 Protean CLI is licensed with Apache License v2.0.