Adjusted resize behavior of Configure tab.
Adjusted resize behavior of Configure tab.

Vertical space is now equally split between Repositories and Recipes
lists.

ftiff/autopkgr,lindegroup/autopkgr,lindegroup/autopkgr,lindegroup/autopkgr,HyppHere/autopkgr,lindegroup/autopkgr,eahrold/autopkgr,eahrold/autopkgr,eahrold/autopkgr,HyppHere/autopkgr,ftiff/autopkgr,ftiff/autopkgr,lindegroup/autopkgr,HyppHere/autopkgr