presentation ESN and videos
updated presentation. added pdf file
added references, spherical
Merge branch 'master' of github.com:humm/playful
Merge branch 'master' of github.com:humm/playful
again
removed temporary file from git, added gitignore
fixed guilogger bug
Merge branch 'master' of github.com:humm/playful
update
merged jimmy presentation into fabien's
presentation update
Merge branch 'master' of github.com:humm/playful
Merge branch 'master' of github.com:humm/playful