update handlebars to 1eeeff8ade7b5008e7a213cc7eb9c7e1bed52bef.
update html5 to 53f6c95974f2f612e3ed677334af735d3727833f
Update css3 to 4afe158ed8a024ad50308bb5652bcfc92a580213

from https://github.com/hail2u/vim-css3-syntax