The image formatter has been improved adding a prefix path for the image and the prefix path for the image link
Check if the image exists and if it doesn't exist set a dummy image
Image Check Improved
Revert "Image Check Improved"

This reverts commit 0cd1b23813c5b9edce77605d5b002ecc7aa451f9.
Check if the image exists and if it doesn't exist set a dummy image (reverted from commit 65294910364882d89a72b6e3247b7cc38c9e97f4)
Class reverted to the adding of simple prefix path option
Merge pull request #84 from shinesoftware/master

Image formatter set prefix path for attr "src"