move sprintf to vendor

Signed-off-by: Tomas Neme <lacrymology@gmail.com>
move libs after vendor because it requires jQuery and stickyPanel

Signed-off-by: Tomas Neme <lacrymology@gmail.com>
add stickyPanel (airtime requirement)

Signed-off-by: Tomas Neme <lacrymology@gmail.com>
Merge branch 'airtime-libs' into move-events