Added installation, config, and usage info to README.

README.md

@@ -1 +1,55 @@
-TODO
+Nestor
+------
+
+Jenkins NodeJS CLI
+
+Overview
+--------
+
+Nestor is a Jenkins command-line interface written in NodeJS.
+
+Installation
+------------
+
+    npm install -g nestor
+
+Config
+------
+
+You can set Jenkins URL as an environment variable.
+
+    export JENKINS_URL=http://user:pass@host:port/path
+
+By default, Nestor uses http://localhost:8080 as the Jenkins URL.
+
+Usage
+-----
+
+View status of all jobs.
+
+    nestor dashboard
+
+View job status.
+
+    nestor job jobname
+
+Trigger a build.
+
+    nestor build jobname
+
+Trigger a parameterised build.
+
+    nestor build jobname "param1=value1&param2=value2"
+
+View the build queue.
+
+    nestor queue
+
+View the executors' activity (running builds) .
+
+    nestor executor
+
+View Jenkins version number.
+
+    nestor version
+