#303: copy all images into '/src/img' directory
#303: remove 'img' directory
#303: update image references in 'index.php'
#311: Add .gitignore for image assets
#312: add 'build-imagemin' command to 'grunt' script
Merge pull request #309 from jeff1evesque/pull_grunt_changes

#308: pull changes from grunt repository
Merge pull request #310 from jeff1evesque/img_src_img

#303: Move all images to 'src/img' directory
Merge pull request #313 from jeff1evesque/gitignore_img_assets

#311: Add .gitignore for image assets
Merge pull request #314 from jeff1evesque/bash_grunt_imagemin

#312: add 'build-imagemin' command to 'grunt' script
#315: Pull changes from grunt repository