isolate labelstower blueprint from the rest files

test/demo_flask/__init__.py

test/demo_flask/config.py

test/demo_flask/models.py

test/demo_flask/static/categories.txt

test/demo_flask/static/css/bootstrap.css

test/demo_flask/static/css/bootstrap_1.css

test/demo_flask/static/css/hierarchy.css

test/demo_flask/static/css/main.css

test/demo_flask/static/css/result.css

.../demo_flask/static/fonts/glyphicons-halflings-regular.eot

.../demo_flask/static/fonts/glyphicons-halflings-regular.svg

.../demo_flask/static/fonts/glyphicons-halflings-regular.ttf

...demo_flask/static/fonts/glyphicons-halflings-regular.woff

...emo_flask/static/fonts/glyphicons-halflings-regular.woff2

test/demo_flask/static/img/background_loop.png

test/demo_flask/static/img/moins-encadre-rouge.png

test/demo_flask/static/img/moins-encadre.png

test/demo_flask/static/img/moins-rouge.png

test/demo_flask/static/img/moins.png

test/demo_flask/static/img/monSeparateur.png