Merge pull request #1 from Djiko/master

French translation init
Fix handling of orientation changes in views with dynamic layouts.
Merge pull request #2 from Djiko/master

Non breakable spaces before double punctuations
New file: List of contributors.
Minor description update.
Backward compatibility down to API level 7 (Android 2.1).
Update documentation, add change log.
New feature: CSV export of calculation.
Minimal documentation for CSV export feature.
Add untracked file.
fr translation updated: export feature strings added