Revert "event-notifications by email - base structure"

This reverts commit 0da91b1b1fc5e071b7cf727d899956f5ecd34aa2.

Fails to deploy.

Failed startup of context com.google.apphosting.utils.jetty.RuntimeAppEngineWebAppContext@c12978{/,/base/data/home/apps/s~gactivityinfo/build64.363034222090590391}
com.google.inject.CreationException: Guice creation errors:

1) Binding points to itself.
  at org.activityinfo.server.event.EventModule.configureServlets(EventModule.java:14)

2) Binding points to itself.
  at org.activityinfo.server.event.EventModule.configureServlets(EventModule.java:17)

2 errors
	at com.google.inject.internal.Errors.throwCreationExceptionIfErrorsExist(Errors.java:435)
	at com.google.inject.internal.InternalInjectorCreator.initializeStatically(InternalInjectorCreator.java:154)
	at com.google.inject.internal.InternalInjectorCreator.build(InternalInjectorCreator.java:106)
	at com.google.inject.Guice.createInjector(Guice.java:95)
	at com.google.inject.Guice.createInjector(Guice.java:72)
	at com.google.inject.Guice.createInjector(Guice.java:62)
	at org.activityinfo.server.StartupListener.getInjector(StartupListener.java:64)
	at com.google.inject.servlet.GuiceServletContextListener.contextInitialized(GuiceServletContextListener.java:45)
	at org.activityinfo.server.StartupListener.contextInitialized(StartupListener.java:57)
	at org.mortbay.jetty.handler.ContextHandler.startContext(ContextHandler.java:548)
	at org.mortbay.jetty.servlet.Context.startContext(Context.java:136)
	at org.mortbay.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1250)
	at org.mortbay.jetty.handler.ContextHandler.doStart(ContextHandler.java:517)
	at org.mortbay.jetty.webapp.WebAppContext.doStart(WebAppContext.java:467)
	at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
	at com.google.apphosting.runtime.jetty.AppVersionHandlerMap.createHandler(AppVersionHandlerMap.java:219)
	at com.google.apphosting.runtime.jetty.AppVersionHandlerMap.getHandler(AppVersionHandlerMap.java:194)
	at com.google.apphosting.runtime.jetty.JettyServletEngineAdapter.serviceRequest(JettyServletEngineAdapter.java:134)
	at com.google.apphosting.runtime.JavaRuntime$RequestRunnable.run(JavaRuntime.java:447)
	at com.google.tracing.TraceContext$TraceContextRunnable.runInContext(TraceContext.java:454)
	at com.google.tracing.TraceContext$TraceContextRunnable$1.run(TraceContext.java:461)
	at com.google.tracing.TraceContext.runInContext(TraceContext.java:703)
	at com.google.tracing.TraceContext$AbstractTraceContextCallback.runInInheritedContextNoUnref(TraceContext.java:338)
	at com.google.tracing.TraceContext$AbstractTraceContextCallback.runInInheritedContext(TraceContext.java:330)
	at com.google.tracing.TraceContext$TraceContextRunnable.run(TraceContext.java:458)
	at com.google.apphosting.runtime.ThreadGroupPool$PoolEntry.run(ThreadGroupPool.java:251)
	at java.lang.Thread.run(Thread.java:679)
C 2012-11-08 21:28:11.453
Uncaught exception from servlet
javax.servlet.UnavailableException: Initialization failed.
	at com.google.apphosting.runtime.jetty.AppVersionHandlerMap.createHandler(AppVersionHandlerMap.java:228)
	at com.google.apphosting.runtime.jetty.AppVersionHandlerMap.getHandler(AppVersionHandlerMap.java:194)
	at com.google.apphosting.runtime.jetty.JettyServletEngineAdapter.serviceRequest(JettyServletEngineAdapter.java:134)
	at com.google.apphosting.runtime.JavaRuntime$RequestRunnable.run(JavaRuntime.java:447)
	at com.google.tracing.TraceContext$TraceContextRunnable.runInContext(TraceContext.java:454)
	at com.google.tracing.TraceContext$TraceContextRunnable$1.run(TraceContext.java:461)
	at com.google.tracing.TraceContext.runInContext(TraceContext.java:703)
	at com.google.tracing.TraceContext$AbstractTraceContextCallback.runInInheritedContextNoUnref(TraceContext.java:338)
	at com.google.tracing.TraceContext$AbstractTraceContextCallback.runInInheritedContext(TraceContext.java:330)
	at com.google.tracing.TraceContext$TraceContextRunnable.run(TraceContext.java:458)
	at com.google.apphosting.runtime.ThreadGroupPool$PoolEntry.run(ThreadGroupPool.java:251)
	at java.lang.Thread.run(Thread.java:679)