allow functions or strings for icon name
Change blocks icon_names to be strings rather than functions. Use the correct _.result syntax.
Update the example to have correct paths.
Merge pull request #43 from madebymany/function-or-string-for-icon-name

allow functions or strings for icon name
Pass the block as an object through to the template in the drop options because this doesn't give the objects context.
Use validations instead of validators for custom validation methods.
Merged master in so this branch is up-to-date