buaazp: 1.modify guidebook 2.remove client port from log.
buaazp: 1.New feature import webimg library 2.Fixed cmakelist.txt for find libmemcached 3.Modify .travis.yml for branch build control
buaazp: use new way to avoid memcpy.
buaazp: added webimg tu db storage mode.
buaazp: [big fixed] memory leak in imagemagick.
buaazp: 1.response header config 2.etag config for browser cache
buaazp: 1.etag config for all mode 2.add bind_check function
buaazp: modify conf
buaazp: modify markdown files.
[bug fixed]buaazp: Fixed signal handler #15
[bug fixed]buaazp: Fixed signal handler #15. remove kill_server() from sighandler()
[bug fixed]buaazp: Fixed signal handler #15. Remove unsafe functions fprintf() and exit() from sighandler().
[unstable]buaazp: try to add grayscale into webimg
[bugfix]buaazp: fixed gen cachekey by snprintf from key to key.
buaazp: added grayscale images into webimg.
buaazp: fixed webimg crop conflicts grayscale image.
buaazp: support proportion=2 mode
buaazp: get_img2 and get_img_mode_db2 support grayscale now
buaazp: added new scale mode: p2 for scale only; p3 for scale and crop.
buaazp: 1. new feature: save image format control. 2. fixed p2 error when s_cols<cols<im->cols. 3. new namestyle includes x_y