[TASK] Whitespace fix
[BUGFIX] Fixed hideIfEmpty argument. It was not used in code.
Merge pull request #722 from jmverges/development

[BUGFIX] Fixed hideIfEmpty argument. It was not used in code.
[BUGFIX] Argument "limit" is ignored in Random/GetViewHelper.php
[BUGFIX] Fix cache identifier prefix used by <v:render.cache />

fixes: #732
Merge pull request #733 from tiggr/development

[BUGFIX] Fix cache identifier prefix used by <v:render.cache />
[TER] 2.2.0