Merge branch 'release/2.0.6'

Prepping for 2.0.6 release
Added one-liner rendering for full forms
CS fixes
Adding failing test demonstrating that the helper does not call 'prepare'
Fixing test introduced in @0b89787
Merge branch 'feature/form-view-helper' of git://github.com/Ocramius/zf2 into feature/form-view-helper
Merge branch 'feature/form-view-helper' into develop

Close #3255