18 new icons:
cardboards
ce
certificate
chart-radar
christmas-tree
drone
gps
manual-gearbox
parachute
pennant
plant-2
relation-many-to-many
relation-one-to-many
relation-one-to-one
ripple
sthetoscope
view-360
windmill
Fixed icons: brand-twitter
, recycle
, servicemark
, trademark