Fixed a few bugs,
-  Made it harder to mistakenly use the ProblemSetDetail page for JITAR sets
-  Fixed a display bug with problemRandomize and webworkWebservice
Continuing to polish xml problem rendering.
Merge branch 'jitar2' of https://github.com/goehle/webwork2 into jitar2

Conflicts:
	lib/WeBWorK/ContentGenerator/Instructor/ProblemSetDetail2.pm