eureka module is not compatible with 1.6.0

[brharrington]

iep-module-eureka doesn't work with eureka-client 1.6.0:

[error] Test com.netflix.iep.rxnetty.RxNettyModuleTest.module failed: com.google.inject.CreationException: Unable to create injector, see the following errors:
[error] 
[error] 1) No implementation for com.netflix.discovery.AbstractDiscoveryClientOptionalArgs was bound.
[error]   while locating com.netflix.discovery.AbstractDiscoveryClientOptionalArgs
[error]     for the 3rd parameter of com.netflix.discovery.DiscoveryClient.<init>(DiscoveryClient.java:299)
[error]   at com.netflix.iep.eureka.EurekaModule.configure(EurekaModule.java:78)
[error] 
[error] 1 error, took 0.742 sec
[error]     at com.google.inject.internal.Errors.throwCreationExceptionIfErrorsExist(Errors.java:470)
[error]     at com.google.inject.internal.InternalInjectorCreator.initializeStatically(InternalInjectorCreator.java:155)
[error]     at com.google.inject.internal.InternalInjectorCreator.build(InternalInjectorCreator.java:107)
[error]     at com.google.inject.Guice.createInjector(Guice.java:99)
[error]     at com.google.inject.Guice.createInjector(Guice.java:73)
[error]     at com.google.inject.Guice.createInjector(Guice.java:62)
[error]     at com.netflix.iep.rxnetty.RxNettyModuleTest.module(RxNettyModuleTest.java:32)
[error]     ...