Merge pull request #7 from Sfynx/master

Row actions, image links for actions, autolinking of strings
extra option for columns to set a specific sort key
Merge branch 'master' of https://github.com/BradCrumb/CakeDataGridder
Paginator adjusments for models, so multiple grids on 1 page are possible
fix for Directory Seperator
Added default action type, so it's always at least a link
Add sorting & direction class by default
Add sorting & direction class to the header by default
Fixed typo
Fixed check for custom grid template
Fixed check for non-existing option
Added extra check for set limit options
Added check for array to prevent errors
js fix for sort links
remember expanded state in cookie
Synced fork BradCrumb/master