Add Flask-HTTPAuth and PyMySQL to requirements

requirements.txt

 alembic==0.8.8
 click==6.6
 Flask==0.11.1
+Flask-HTTPAuth==3.2.1
 Flask-Login==0.3.2
 Flask-Migrate==2.0.0
 Flask-Script==2.0.5
@@ -10,6 +11,7 @@ itsdangerous==0.24
 Jinja2==2.8
 Mako==1.0.4
 MarkupSafe==0.23
+PyMySQL==0.7.9
 python-editor==1.0.1
 SQLAlchemy==1.1.2
 Werkzeug==0.11.11