Clean up MainActivity

Signed-off-by: TAurelien <aurelien.ticot@gmail.com>
Merge branch 'release_0.1'
Fix task 37: Choose the closest value of "Taux credit" 
https://github.com/TAurelien/SimuImmo/issues/issue/37

Signed-off-by: TAurelien <aurelien.ticot@gmail.com>
Merge branch 'feature_ClosestValueTauxCredit' into develop
fix issue 51: Fix spelling of Settings

https://github.com/TAurelien/SimuImmo/issues/issue/51

Signed-off-by: TAurelien <aurelien.ticot@gmail.com>
Merge branch 'hotfix_fixTranslation' into develop