Freeze production requirements

requirements-prod.txt

+alembic==1.3.0
+Authlib==0.13
+Babel==2.7.0
+bcrypt==3.1.7
+blinker==1.4
+certifi==2019.9.11
+cffi==1.13.2
+chardet==3.0.4
+Click==7.0
+cryptography==2.8
+decorator==4.4.1
+defusedxml==0.6.0
+Flask==1.1.1
+Flask-Babel==0.12.2
+Flask-DebugToolbar==0.10.1
+Flask-Limiter==1.1.0
+Flask-Login==0.4.1
+Flask-Migrate==2.5.2
+Flask-Script==2.0.6
+Flask-SQLAlchemy==2.4.1
+Flask-WTF==0.14.2
+gunicorn==19.9.0
+idna==2.8
+infinity==1.4
+intervals==0.8.1
+itsdangerous==1.1.0
+Jinja2==2.10.3
+limits==1.3
+lxml==4.4.1
+Mako==1.1.0
+MarkupSafe==1.1.1
+passlib==1.7.1
+pkgconfig==1.5.1
+pycparser==2.19
+pyOpenSSL==19.0.0
+pysaml2==4.9.0
+python-dateutil==2.8.1
+python-editor==1.0.4
+pytz==2019.3
+PyYAML==5.1.2
+requests==2.22.0
+six==1.13.0
+SQLAlchemy==1.3.11
+urllib3==1.25.7
+validators==0.14.0
+Werkzeug==0.16.0
+WTForms==2.2.1
+WTForms-Components==0.10.4
+xmlsec==1.3.3