widgets: when restoring layout on startup, ask for the path to the prefs
(instead of trying to get it from the .parent chain)

http://bugs.activestate.com/show_bug.cgi?id=101666

(integrated from komodo (trunk) change 83393 by marky)

git-svn-id: http://svn.openkomodo.com/repos/openkomodo/trunk@14113 b87d16e7-d29f-4ee1-b5ec-817d645d335f
prefs: make dump() return the dumped string, and optionally not use stdout

(integrated from komodo (trunk) change 83394 by marky)

git-svn-id: http://svn.openkomodo.com/repos/openkomodo/trunk@14114 b87d16e7-d29f-4ee1-b5ec-817d645d335f
prefs: when looking up a pref in a prefset, no longer look at the
container prefset
http://bugs.activestate.com/show_bug.cgi?id=101666

(integrated from komodo (trunk) change 83395 by marky)

git-svn-id: http://svn.openkomodo.com/repos/openkomodo/trunk@14115 b87d16e7-d29f-4ee1-b5ec-817d645d335f