Merge pull request #12 from metabase/ag-readme

update readme with more info about prereqs & build steps.

README.md

-# metabase-init
+## Install Prerequisites
 
-FIXME: description
+1. Oracle JDK 8 (http://www.oracle.com/technetwork/java/javase/downloads/index.html)
+2. Node.js for npm (http://nodejs.org/)
+3. Leiningen (http://leiningen.org/)
 
-## Installation
 
-Download from http://example.com/FIXME.
+## Build
 
-## Usage
+Install clojure + npm/bower requirements with
 
-Install bower requirements with
+    lein deps
+    npm install
 
-    node install
+Compile application css file with
 
-Then run the HTTP server with
+    ./node_modules/gulp/bin/gulp.js build
 
-    lein ring server
 
-## Documentation
+## Usage
 
-Generate documentation with
+Then run the HTTP server with
+
+    lein ring server
 
-    lein marg
 
 ## Unit Tests
 
@@ -28,9 +30,17 @@ Run unit tests with
 
     lein expectations
 
+
+## Documentation
+
+Generate documentation with
+
+    lein marg
+
+
 ## Options
 
-FIXME: listing of options this app accepts.
+...
 
 ## Examples
 
@@ -40,9 +50,6 @@ FIXME: listing of options this app accepts.
 
 ...
 
-### Any Other Sections
-### That You Think
-### Might be Useful
 
 ## License