Bump flask from 0.10.1 to 1.0

Bumps [flask](https://github.com/pallets/flask) from 0.10.1 to 1.0.
- [Release notes](https://github.com/pallets/flask/releases)
- [Changelog](https://github.com/pallets/flask/blob/master/CHANGES.rst)
- [Commits](pallets/flask@0.10.1...1.0)

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

requirements.txt

@@ -4,7 +4,7 @@ blinker==1.4
 cffi==1.7.0
 click==6.6
 dominate==2.2.1
-Flask==0.10.1
+Flask==1.0
 Flask-Bcrypt==0.7.1
 Flask-Bootstrap==3.3.6.0
 Flask-DebugToolbar==0.10.0