Added compile instructions in README.md

By: Erik Broes <erikbroes@grum.nl>

paper-server/.gitignore

@@ -6,6 +6,9 @@
 # netbeans
 /nbproject
 
+# we use maven!
+/build.xml
+
 # maven
 /target
 

paper-server/README.md

@@ -0,0 +1,13 @@
+CraftBukkit
+===========
+
+A Bukkit (Minecraft Server API) implementation
+
+Compilation
+-----------
+
+We use maven to handle our dependencies.
+
+* Install [Maven 3](http://maven.apache.org/download.html)
+* Check out and install [Bukkit](http://github.com/Bukkit/Bukkit)
+* Check out this repo and: `mvn clean package`