Prevent duplicate questionnaire node creation. Also corrected lack of messaging when questionnaire fails to save.
Prevent duplicate questionnaire node creation. Also corrected lack of messaging when questionnaire fails to save.

git-svn-id: f67d969b640da65cb7bc1d229e09fd6d2db44ae1@477 392d7b7b-3f31-0410-9dc3-c95a9635ea79

akshayjain114/expertiza,akshayjain114/expertiza,arpitashekhar/expertiza,mhhassan/expertiza,redsock88/expertiza,mhhassan/expertiza,arpitashekhar/expertiza,rmmaily/expertiza,kira0992/expertiza,kira0992/expertiza,redsock88/expertiza,ApertureScienceInnovators/expertiza,rmmaily/expertiza,joshio1/expertiza,ApertureScienceInnovators/expertiza,ApertureScienceInnovators/expertiza,michaelamoran/expertiza,michaelamoran/expertiza,mhhassan/expertiza,kira0992/expertiza,expertiza/expertiza,KunmiaoYang/expertiza,sid5788/expertiza,akshayjain114/expertiza,arpitashekhar/expertiza,michaelamoran/expertiza,kira0992/expertiza,urmilparikh95/expertiza,arpitashekhar/expertiza,expertiza/expertiza,akshayjain114/expertiza,urmilparikh95/expertiza,urmilparikh95/expertiza,joshio1/expertiza,sid5788/expertiza,redsock88/expertiza,joshio1/expertiza,expertiza/expertiza,rmmaily/expertiza,joshio1/expertiza,urmilparikh95/expertiza,KunmiaoYang/expertiza,ApertureScienceInnovators/expertiza,redsock88/expertiza,KunmiaoYang/expertiza,rmmaily/expertiza,KunmiaoYang/expertiza,expertiza/expertiza,mhhassan/expertiza,sid5788/expertiza,michaelamoran/expertiza,sid5788/expertiza