add ability to set callable editableOptions 

So, it`s work fine for me; 
i was forced to create $language as separate variable
Add more functionality to ToggleAction

TOGGLE_ANY - change state of any element (by default)
TOGGLE_UNIQ - only one element must be equal $onValue, others setted to offValue
TOGGLE_COND - toggle one element to $onValue, others to offValue per condition (for example only one foto can be set as cover per album)
changing or to ||
Update EditableColumn.php
add $model validation
Update ToggleAction.php
Merge pull request #10 from Insolita/master

add ability to set callable editableOptions