Add Datomic to README and clean up

README.md

@@ -5,34 +5,26 @@ Grub is a real-time synced grocery list. Mainly it's a way for me to play around
 
 Install dependencies
 ------------
-- Java 7+
+- Java
-<pre>
+- Datomic
-sudo apt-get install openjdk-7-jdk
+- Leiningen
-</pre>
-- MongoDB
-<pre>
-$ sudo apt-get install mongodb
-</pre>
-- leiningen 2.1.2+
-<pre>
-# For example:
-$ mkdir ~/bin
-$ echo "export PATH=\$:$HOME/bin" >> $HOME/.bashrc
-$ cd ~/bin
-$ wget https://raw.githubusercontent.com/technomancy/leiningen/stable/bin/lein
-$ chmod a+x ~/bin/lein
-</pre>
 
-Build
+Build for development
 -------
-<pre>
-$ lein cljsbuild once dev
-</pre>
 
-Run
+```
--------
+$ lein cljsbuild auto dev
-<pre>
 $ lein run dev
-</pre>
+```
 
-By default it runs at http://localhost:3000
+Navigate to http://localhost:3000.
+
+Build for production
+-------
+
+```
+$ lein cljsbuild once prod
+$ lein run prod
+```
+
+Or you can run the `scripts/build.sh` script to get a deployment JAR.