Nunit plugin failes under startup because of classpath dependency to the native
maven support - which has been refactored and pulled out as a plugin in 1.296.

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SEVERE: Failed to load a plug-in nunit
hudson.util.IOException2: Failed to initialize
at hudson.ClassicPluginStrategy.load(ClassicPluginStrategy.java:223)
at hudson.PluginManager.<init>(PluginManager.java:154)
at hudson.model.Hudson.<init>(Hudson.java:513)
at hudson.WebAppMain$2.run(WebAppMain.java:191)
Caused by: java.lang.NoClassDefFoundError: hudson/maven/agent/AbortException
at hudson.plugins.nunit.PluginImpl.start(PluginImpl.java:32)
at
hudson.ClassicPluginStrategy.startPlugin(ClassicPluginStrategy.java:231)
at hudson.ClassicPluginStrategy.load(ClassicPluginStrategy.java:220)
... 3 more
Caused by: java.lang.ClassNotFoundException: hudson.maven.agent.AbortException
at java.net.URLClassLoader$1.run(URLClassLoader.java:200)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
at java.lang.ClassLoader.loadClass(ClassLoader.java:252)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320)
... 6 more