Replaced one occurence of "on database" with "in database"
[FEATURE] Load and Save SLD & QML styles to DB
Replaced last occurence of "on database" with "in database"
Solved an issue loading the default style adding a layer
Work done for ARPA Piemonte - Dipartimento Tematico Geologia e Dissesto
Ask for confirmation before overwrite a layer style
Solved errors made using diff tool in last merge
reapply some cleanup to 'styles_to_db'