Normalize theme name “Respondr” in PAGS group name

Name the PAGS group of users of the Respondr theme “Respondr Theme Users” rather than “Responder Theme Users”.
NOJIRA Fix quickstart max memory issue
Merge pull request #211 from Jasig/Respondr_Theme_Users_group-no_e

Normalize theme name “Respondr” in PAGS group name

great job me