Added 'not ready yet' getLabelForValue() to elementlist model, method
name is changed so it won't yet override the main element model method,
while I work out how to integrate it with the rendering in elementlist.
Issue is that we need to handle JSON-ified values for multiselects.
Merge branch 'master' of ssh://github.com/Fabrik/fabrik
Revert "Merge branch 'multiselect-filter'"

This reverts commit 8c7704fea7be5c6715afe128c6b5f4bf6861c44a, reversing
changes made to cfd9d91a6798242c9f457889aa7bf31ad9f222e8.