Added and cleaned up text image linking.
cleanup in two js files, and changed the txtimglnk entity colour.
Added new image for tag image annotations, and some cleaned up its classes.
Updated text image linking to allow for the selection of existing image annotations.
Merge pull request #39 from MorganDawe/7.x.validator

7.x.validator
Merge branch '7.x' of github.com:discoverygarden/islandora_critical_edition into 7.x
Merge pull request #41 from MorganDawe/7.x.text_image_multi

7.x.text image multi
moved js to helper function