cubicweb-bootstrap #4998009 use bootlint to validate our markup [validation pending]

https://github.com/twbs/bootlint

prioritynormal
typebug
done in1.0.1
load0.500
load left0.000
closed by#b1d63e434c2d [views] Fix box layouts markup (closes #4998009)
patch[views] Fix box layouts markup (closes #4998009) [applied]