BS-8554: Have refactor operation of data in a single command in order to
have correct undo/redo. Fix for renaming and also when removing data.
Wrote tests for BS-8854, BS-7958, BS-7518 and remove of a data.
remove unused import package
fix typo in french
Merge branch 'master' into 'MasterBugFixing'
BS-7207 Fix the warning pop up 
Pop up appears but the following pop up don't wait to appear.
Merge branch 'MasterBugFixing' of github.com:bonitasoft/bonita-studio into MasterBugFixing
Provide new version of the welcome page including new css files
BS-8554: add a conditional wait to wait that the popup properly close
BS-7647: specify UtF-8 encoding in the map option to load xtext
resource.
Merge branch 'MasterBugFixing' into 'master'