Broken install on Ubuntu 18.04 / Java 10

### Problem Description

Trying to follow this basic install on Ubuntu 18.04 :

Download boot.sh and save as boot
Make it executable.
Move it to somewhere in your $PATH.

and I get this

```
phil@Wren:~/bin$ boot -u
Exception in thread "main" java.lang.reflect.InvocationTargetException
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:564)
at Boot.main(Boot.java:257)
Caused by: java.lang.RuntimeException: Failed to load ClojureRuntimeShimImpl
at org.projectodd.shimdandy.ClojureRuntimeShim.newRuntime(ClojureRuntimeShim.java:21)
at org.projectodd.shimdandy.ClojureRuntimeShim.newRuntime(ClojureRuntimeShim.java:32)
at boot.App.newShim(App.java:309)
at boot.App.aetherShim(App.java:346)
at boot.App.writeProps(App.java:213)
at boot.App.readProps(App.java:253)
at boot.App.main(App.java:458)
... 5 more
Caused by: java.lang.ClassNotFoundException: org.projectodd.shimdandy.impl.ClojureRuntimeShimImpl
at java.base/java.net.URLClassLoader.findClass(URLClassLoader.java:466)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:566)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:499)
at org.projectodd.shimdandy.ClojureRuntimeShim.newRuntime(ClojureRuntimeShim.java:18)
... 11 more

```

### Platform details

Platform : Ubuntu 18.04
Platform version:

```
java -version
openjdk version "10.0.2" 2018-07-17
OpenJDK Runtime Environment (build 10.0.2+13-Ubuntu-1ubuntu0.18.04.2)
OpenJDK 64-Bit Server VM (build 10.0.2+13-Ubuntu-1ubuntu0.18.04.2, mixed mode)

```