add bower + json for gulp and bootstrap

Signed-off-by: Thomas Warlop <thomas.warlop@gmail.com>
implemented most of gulp for bootstrap

there is a problem with our icons. :'(

Signed-off-by: Thomas Warlop <thomas.warlop@gmail.com>
gulp js

Signed-off-by: Thomas Warlop <thomas.warlop@gmail.com>
lower resolution image for beta

Signed-off-by: Thomas Warlop <thomas.warlop@gmail.com>