delete these test images
move admin and bootstrap static files to static folder.
add real product imgs to database.
move, rename static imgs
add static files.
add sys path for mac
changed database schema.
improved pages and template architectures.
add static folder.
let admin be able to upload file instead of entering path.
change templates' names and function names.
improved web appearance.
ignore .pyc
ignore .DS_Store
ignore ds file