Remove doubles in the list of bots.

Change-Id: I2e73bd6b9c57fa04ac69682d57d3d38e2d817c5d
Clean up the code
- Finish translation from French (comments and messages)
- Change variables and subroutines names to more meaningful ones
- Add some comments

Change-Id: I4378eeb9febf561d3ad556a1c17f203462da05f1