Add clear-cache commands in makefile help
Add clear-cache commands in makefile help

c2corg/v6_ui,Courgetteandratatouille/v6_ui,c2corg/v6_ui,Courgetteandratatouille/v6_ui,olaurendeau/v6_ui,Courgetteandratatouille/v6_ui,Courgetteandratatouille/v6_ui,olaurendeau/v6_ui,olaurendeau/v6_ui,c2corg/v6_ui,olaurendeau/v6_ui,c2corg/v6_ui