Build solution pdfs nudge

1. lbtest cua:

https://lbtest.cns.utexas.edu/institutionadmin/institutions

2. choose appropriate bucket (UT, external high school, etc)

3. enter in instance number in appropriate box (ex: lmod #, assignment #)

4. instances tab

5. pdf sub tab

6. rebuild all solution pdfs (or rebuild sol pdf–last column–for specific person)