java.io.IOException: Cannot run program "sensible-browser": error=2, No such file or directory
	at java.lang.ProcessBuilder.start(ProcessBuilder.java:1048)
	at java.lang.Runtime.exec(Runtime.java:620)
	at java.lang.Runtime.exec(Runtime.java:485)
	at org.lwjgl.LWJGLUtil$1.run(LWJGLUtil.java:406)
	at org.lwjgl.LWJGLUtil$1.run(LWJGLUtil.java:404)
	at java.security.AccessController.doPrivileged(Native Method)
	at org.lwjgl.LWJGLUtil.execPrivileged(LWJGLUtil.java:404)
	at org.lwjgl.LinuxSysImplementation.openURL(LinuxSysImplementation.java:78)
	at org.lwjgl.Sys.openURL(Sys.java:257)
	at com.badlogic.gdx.backends.lwjgl.LwjglNet.openURI(LwjglNet.java:66)
	at uk.co.redfruit.gdx.experiments.MenuScreen.changed(MenuScreen.java:150)
	at com.badlogic.gdx.scenes.scene2d.utils.ChangeListener.handle(ChangeListener.java:28)
	at com.badlogic.gdx.scenes.scene2d.Actor.notify(Actor.java:182)
	at com.badlogic.gdx.scenes.scene2d.Actor.fire(Actor.java:147)
	at com.badlogic.gdx.scenes.scene2d.ui.Button.setChecked(Button.java:124)
	at com.badlogic.gdx.scenes.scene2d.ui.Button$1.clicked(Button.java:92)
	at com.badlogic.gdx.scenes.scene2d.utils.ClickListener.touchUp(ClickListener.java:89)
	at com.badlogic.gdx.scenes.scene2d.InputListener.handle(InputListener.java:59)
	at com.badlogic.gdx.scenes.scene2d.Stage.touchUp(Stage.java:351)
	at com.badlogic.gdx.InputMultiplexer.touchUp(InputMultiplexer.java:96)
	at com.badlogic.gdx.backends.lwjgl.LwjglInput.processEvents(LwjglInput.java:332)
	at com.badlogic.gdx.backends.lwjgl.LwjglApplication.mainLoop(LwjglApplication.java:217)
	at com.badlogic.gdx.backends.lwjgl.LwjglApplication$1.run(LwjglApplication.java:126)
Caused by: java.io.IOException: error=2, No such file or directory
	at java.lang.UNIXProcess.forkAndExec(Native Method)
	at java.lang.UNIXProcess.<init>(UNIXProcess.java:247)
	at java.lang.ProcessImpl.start(ProcessImpl.java:134)
	at java.lang.ProcessBuilder.start(ProcessBuilder.java:1029)
	... 22 more