Usage of btsync-cli:
  -a="":                absolute path to add for index (-r for relative path support)
  -d="":                absolute path to delete from index (-r for relative path support)
  -g=false:             get new secret
  -host="127.0.0.1":    btsync webui hostname
  -l=false:             list folders
  -p="password":        password
  -port="8888":         btsync webui port
  -r=false:             resolve relative path (for -a and -d)
  -s="":                secret, if empty will be autogenerated
  -u="admin":           username
  -v=false:             verbose mode on

cd ~btsync-cli
export GOPATH=`pwd`
export GOARM=5
/opt/go/bin/go build src/btsync-cli.go
./btsync-cli -h