Minor fixes

Set requirements versions where missing or inspecific, fixed fpr index
URL, removed duplicate fpr/ from urls.py, made manage.py executable.
Updated SQL for FPR table creation

To match renaming in FPRadmin.  Updated submodule tag.
Merge branch 'dev/issue-5535-fpr-integration' of git.artefactual.com:archivematica into dev/issue-5535-fpr-integration
Merge branch 'dev/issue-5535-fpr-integration' into 1.0