Imports github.com/gorilla/websocket github.com/gorilla/mux github.com/gorilla/sessions github.com/rifflock/lfshook github.com/boltdb/bolt github.com/gorilla/securecookie github.com/haisum/recaptcha github.com/BurntSushi/toml github.com/Sirupsen/logrus Standard library imports bytes crypto/sha512 encoding/base64 encoding/gob errors flag html/template io log net/http net/http/httputil os regexp strings time