cubicweb-bootstrap #3728989 Horizontal Form [validation pending]

Properly use the bootstrap html markup for horizontal forms (class="form-horizontal".

Get ride of additionnal code from boostrap 2.XXX.

prioritynormal
typebug
done in0.5.3
load1.000
load left0.000
closed by#d903d1be1912 [form] clean the default horizontal form (closes #3728989)
patch[form] clean the default horizontal form (closes #3728989) [applied]