Added support for custom-container

[shuaichang]

US-133320M1:fcli shuai.chang$ ./bundles/fcli-darwin-10.6-amd64 function create --help
Create function

Usage:
  fcli function create [flags]

Aliases:
  create, c

Flags:
      --ca-port int32                     args of custom container config
  -b, --code-bucket string                oss bucket of the code
  -d, --code-dir string                   function code directory. If both code-file and code-dir are provided, code-file will be used.
      --code-file string                  zipped code file. If both code-file and code-dir are provided, code-file will be used.
  -o, --code-object string                oss object of the code
  -r, --custom-container-args string      custom container config args, e.g. ["server.js"]
  -n, --custom-container-command string   custom container config command, e.g. ["node"]
  -g, --custom-container-image string     custom container config image
      --description string                brief description
      --env stringArray                   set environment variables. e.g. --env VAR1=val1 --env VAR2=val2
      --env-file stringArray              read in a file of environment variables. e.g. --env-file FILE1 --env-file FILE2
  -f, --function-name string              the function name
  -h, --handler string                    handler is the entrypoint for the function execution
      --help                              
  -e, --initializationTimeout int32       timeout in seconds (default 30)
  -i, --initializer string                initializer is the entrypoint for the initializer execution
  -m, --memory int32                      memory size in MB (default 128)
  -t, --runtime string                    function runtime
  -s, --service-name string               the service name
      --timeout int32                     timeout in seconds (default 30)
US-133320M1:fcli shuai.chang$ ./bundles/fcli-darwin-10.6-amd64 function update --help
Update function attributes

Usage:
  fcli function update [option] [flags]

Aliases:
  update, u

Flags:
  -b, --bucket string                     oss code bucket
      --ca-port int32                     args of custom container config (default 9000)
      --code-dir string                   function code directory. If both code-file and code-dir are provided, code-file will be used.
      --code-file string                  zipped code file. If both code-file and code-dir are provided, code-file will be used.
  -r, --custom-container-args string      custom container config args, e.g. ["server.js"]
  -n, --custom-container-command string   custom container config command, e.g. ["node"]
  -g, --custom-container-image string     custom container config image
  -d, --description string                function description
      --env stringArray                   set environment variables. e.g. --env VAR1=val1 --env VAR2=val2
      --env-file stringArray              read in a file of environment variables. e.g. --env-file FILE1 --env-file FILE2
      --etag string                       provide etag to do the conditional update. If the specified etag does not match the function's, the update will fail.
  -f, --function-name string              the function name
  -h, --handler string                    function handler
      --help                              Print Usage
  -e, --initializationTimeout int32       initializer timeout in seconds
  -i, --initializer string                function initializer
  -o, --object string                     oss code object
  -t, --runtime string                    function runtime
  -s, --service-name string               the service name
      --timeout int32                     function timeout in seconds

./bundles/fcli-darwin-10.6-amd64 function create -s CustomContainerDemo -f nodejs-express-http-fcli --ca-port 8080 --runtime custom-container --handler bootstrap --custom-container-image registry-vpc.cn-shenzhen.aliyuncs.com/fc-demo/nodejs-express:v0.3

./bundles/fcli-darwin-10.6-amd64 function update -s CustomContainerDemo -f nodejs-express-http-fcli --ca-port 8080 --runtime custom-container --handler bootstrap --custom-container-image registry-vpc.cn-shenzhen.aliyuncs.com/fc-demo/nodejs-express:v0.3

[CLAassistant]

Thank you for your submission! We really appreciate it. Like many open source projects, we ask that you sign our Contributor License Agreement before we can accept your contribution.

---

shuai.chang seems not to be a GitHub user. You need a GitHub account to be able to sign the CLA. If you have already a GitHub account, please add the email address used for this commit to your account.
_{You have signed the CLA already but the status is still pending? Let us recheck it.}