Switch to version 3 of the Staticman API (#970)
Switch to version 3 of the Staticman API (#970)

Address #967

Using version 3 allows 5000 hits for PFHub alone rather than 5000 hits
for all projects using Staticman.
wd15/chimad-phase-field,wd15/chimad-phase-field,wd15/chimad-phase-field