synchronize requirement files

requirements.txt

@@ -1,21 +1,18 @@
-arrow>=0.12.1
-binaryornot>=0.4.4
-certifi>=2018.10.15
-chardet>=3.0.4
+alembic>=1.0.1
 Click>=7.0
 Flask>=1.0.2
+Flask-Migrate>=2.3.0
+Flask-SQLAlchemy>=2.3.2
 Flask-WTF>=0.14.2
-future>=0.16.0
-idna>=2.7
-ItsDangerous>=1.1.0
+itsdangerous>=1.1.0
 Jinja2>=2.10
-jinja2-time>=0.2.0
+Mako>=1.0.7
 MarkupSafe>=1.0
-poyo>=0.4.2
-python-dateutil>=2.7.3
-requests>=2.20.0
+Pillow>=5.3.0
+python-dateutil>=2.7.5
+python-editor>=1.0.3
 six>=1.11.0
-urllib3>=1.24
+SQLAlchemy>=1.2.12
 Werkzeug>=0.14.1
-whichcraft>=0.5.2
 WTForms>=2.2.1
+zipstream>=1.1.4