allow user-specified reactor in TwistedEventLoop
allow user-specified reactor in TwistedEventLoop

bk2204/urwid,westurner/urwid,urwid/urwid,mountainstorm/urwid,wardi/urwid,rndusr/urwid,drestebon/urwid,wardi/urwid,douglas-larocca/urwid,harlowja/urwid,harlowja/urwid,ivanov/urwid,douglas-larocca/urwid,zyga/urwid,Julian/urwid,wardi/urwid,rndusr/urwid,inducer/urwid,mountainstorm/urwid,hkoof/urwid,westurner/urwid,zyga/urwid,tonycpsu/urwid,drestebon/urwid,inducer/urwid,ivanov/urwid,westurner/urwid,bk2204/urwid,ivanov/urwid,inducer/urwid,urwid/urwid,rndusr/urwid,tonycpsu/urwid,foreni-packages/urwid,drestebon/urwid,urwid/urwid,foreni-packages/urwid,foreni-packages/urwid,douglas-larocca/urwid,bk2204/urwid,zyga/urwid,tonycpsu/urwid,mountainstorm/urwid,Julian/urwid,hkoof/urwid,Julian/urwid,harlowja/urwid,hkoof/urwid