Add the ability in nav admin menu to open link in new window.
Add the ability in nav admin menu to open link in new window.

bjanish/RcmPlugins,innaDa/RcmPlugins,jerv13/RcmPlugins,jerv13/RcmPlugins,bjanish/RcmPlugins,bjanish/RcmPlugins,innaDa/RcmPlugins,innaDa/RcmPlugins,jerv13/RcmPlugins