Add a REQUIRES_LOGIN_FOR_ALL_VIEWS config as refered in #10

[Bruno Rocha]

with REQUIRES_LOGIN_FOR_ALL_VIEWS config, every view is automatically protected.

then a @no_login decorator can be used in specific paths

See #10

[Bruno Rocha]

SimpleLogin(app, protect_all_views=True)

[Sahdev Garg]

Assign it to me let me have a look into this