Remove trailing whitespaces and fix some fr entries
Replace 'Echéance' by 'Échéance'

Capital letters should be accentuated when needed even if the usage of
poor quality digital typography has disolved its usage. The usage of non
accentuated capital letters can be considered as orthographic mistake.
Merge pull request #139 from nibua-r/fix-french-tr

Fix some french translation entries
Add bin to .gitignore

Ignore the bin directory created by `bundle install --binstubs`.
Merge pull request #142 from nibua-r/ignore-binstubs

Add bin to .gitignore
Sort .gitignore alphabetically