ENH: Update CTK to include exporting DICOM from browser

Add an option to the right click table context menus after Delete
to export patients, studies, series to disk. Also incorporates
changes from two other developers:

git shortlog 7ea654e..5f58132 --no-merges

Gert Wollny (2):
Fix compile and link errors when using QT5 on Debian
Remove superfluous test on fontconfig

Johan Andruejol (2):
Add an option to the ctkConsole to add/set the completion shortcuts
Expose option on ctkConsole to control the runFile() interface

Nicole Aucoin (2):
ENH: add the capability to export DICOM to disk
BUG: stop after unable to create dir.

git-svn-id: http://svn.slicer.org/Slicer4/trunk@24654 3bd1e089-480b-0410-8dfb-8563597acbee