beginning full i18n support
all actions support i18n through OpenAction
sampling nearly supports i18n
All actions now fully support i18n
Changing comment in main file, rename action, fixing accentuated letters, renaming variables in series menu
deleting useless action
fixing english in comments ;)
renaming class
bringing back the old class names (didn't understand well the purpose of those)
adding a cancel button to the date axis editor
deleting useless class (old version) and improving character encoding
Graph settings now work as expected (color preview) + cancel button added
more i18n support
adding buttons to tick, untick or invert selection in data list
fixing buttons width