Replace  DevelopatheCrudBundle dependency with FOSUserBundle dependency.
Implement the missing form and pagination templates' files.
Remove the instruction  of DevelopatheCrudBundle dependencies.
Inherit the DevelopatheUserBundle:base.html.twig
Implment the dependency of the FOSUserBundle instead of the DevelopatheCrudBundle
Update the indent of the affectation variables.
Replace the DevelopatheCrudBundle's stylesheet with its DevelopatheUserBundle's equivalent.
Implement the crud CSS rules.
Override the login template of the FOSUser bundle.