Merge pull request
#2214 from minrk/engine_startup...
Merge pull request
#2214 from minrk/engine_startup
use KernelApp.exec_lines/files in IPEngineApp
This change means that all your startup/exec_lines config is inherited by engines.
The real long-term fix for this is to make IPEngineApp a subclass of IPKernelApp, but this should be an adequate band-aid until then.
closes
#2213