Add filter configuration to image preset so it gets included in the cache path checksum

Add method to access a cached image path to image manager
Remove import of AjaxResponse component, as the image manager no longer has any dependencies to get the path from
Merge pull request #12 from kryysler/feature/image-preset-improvements

Allow for preset filters to change without having to clear the cache
Merge pull request #14 from kryysler/hotfix/fix-ajax-image-upload

Hotfix/fix ajax image upload
Add function to get image and holder urls, simplify createPresetOptions
Merge pull request #15 from laxu/develop

Add function to get image and holder urls, simplify createPresetOptions
Merge branch 'master' into develop
Add support for preset options

- Fix sprintf syntax bug
Merge pull request #19 from kryysler/feature/add-preset-options

Add support for preset options
Merge branch 'release/1.13.0'