fix for #25 raw_display+moving app into background
fix for #25 raw_display+moving app into background

Conflicts:

	urwid/raw_display.py

tonycpsu/urwid,hkoof/urwid,hkoof/urwid,tonycpsu/urwid,rndusr/urwid,foreni-packages/urwid,inducer/urwid,douglas-larocca/urwid,urwid/urwid,ivanov/urwid,drestebon/urwid,harlowja/urwid,wardi/urwid,ivanov/urwid,harlowja/urwid,foreni-packages/urwid,wardi/urwid,rndusr/urwid,douglas-larocca/urwid,inducer/urwid,foreni-packages/urwid,urwid/urwid,urwid/urwid,rndusr/urwid,douglas-larocca/urwid,ivanov/urwid,harlowja/urwid,hkoof/urwid,wardi/urwid,tonycpsu/urwid,drestebon/urwid,inducer/urwid,drestebon/urwid