Add legend translation support into formCollection view helper

Change-Id: I9abfb33c76f93d3674394412d0683bcd3e917bbb
fix trailing spaces

Change-Id: Ic5ec921b0e77abba5ae70caa6ec74502797612e7
Merge branch 'develop' of https://github.com/fdewinne/zf2 into fdewinne-develop
Merge branch 'fdewinne-develop' into develop