Updated files in the main directory

Signed-off-by: Charles Joly Beauparlant <charles.joly-beauparlant@crchul.ulaval.ca>
The CHANGELOG will need to be restart from scratch

Signed-off-by: Charles Joly Beauparlant <charles.joly-beauparlant@crchul.ulaval.ca>
Included LGPL License in every single file. All of them.

By hand
Merge remote-tracking branch 'origin/master'