update to netty-4.1.5 (Netflix#398)

This version has a fix needed to coexist with apps
running in tomcat with tomcat-native.

fix missing dependency error due to bad pom (Netflix#394)

iepshadow-iep-rxhttp 0.4.6.26 is published with a missing
dependency in the pom. Fixed in 0.4.6.27.

Merge pull request Netflix#393 from brharrington/fix-guice

update iep shadow to fix bad guice version

Merge pull request Netflix#386 from brharrington/update-deps

update dependency recommendations

Merge pull request Netflix#371 from brharrington/v0.10-ignore-jmx-unr…

…egister

ignore jmx unregister