add stats and image dump ajax calls in templates
remove tabs in crawl page and add stats and image_dump buttons
change image_space path to static/images
fix get status from nutch crawl
add dump images and stats in nutch crawl instance
clean nutch instance init and change number of rounds parameter to one
fix ache status and update returns
add TODO for tracking start and stop timestamps
remove empty lines
change get_images db_api to retrieve all images from an image_space
add db_process_exif and db_add_image_space_from_crawl for image_space database interactions
add image_image_space table to link images and image_space in a many to many relationship
add relation in ImageSpace
change CRAWLS_RUNNING to CRAWLS, to keep track of the status of all crawls
add crawl stats and dump images in views
get images from image_space in image_table view