CRAN v1.0.400

• (#84) : new FAB button with a position argument
• (#81) : keep request query string. Thanks @erikor
• (#24) : secure_server() : added keep_token arg
• (#54) add spanish. Thanks @EAMI91
• (#98) add german. Thanks @indubio
• (#106) add polish. Thanks @StatisMike
• (#39) : fix use shiny bookmarking
• Admin mode: new edit multiple users
• Add full language label using choose_language
• (#66) fix quanteda bad interaction
• (#71) fix logs count for admin user
• (#26) : restrict number of users