Zentag update the query of media
get the bottom images with least tags and then get the one that least recent
STUPIDROBOT modify the query
so that can change the threshold of tags to 0 (more accurate)
STUPIDROBOT,ZENTAG update query
for stupid robot, now it picks the least recent one from the images that has
no less than 5 tags if there is enough image(now the threshold is 15)
for zentag, it picks the least recent one with least tags
NEXTAG update image query
call the same method as zentag
Merge pull request #39 from redhatkaty/development

query update for all games