Add support for cmd pre hook

Fix the error when install a plugin

Remove redundant blank words

* fix issue template

* update issues template

* fix plugin search for jcli

* Remove result when not found plugin

Add test cases for password util

* Add Jenkinsfile with build stage

* Fix the syntax error of Jenkinsfile

* Use steps to wrap container dsl

* Change agent label to golang-1.12

Fix certificate issue when downing plugins

Fix download plugin failure

fix sonar check unused parameters

Add nest comment for a empty method

Use constant instead of duplicating literal

* Add support to add description for the jcli config item

* fix error

* delete useless information

* add issue template

* update to english from chinese

* fix remove a config

* update remove current Jenkins config

* update error information

* update some information

Add document to describe how to manage the plugins

Fix the error output when restarting Jenkins

Add suppor to build a job with params in batch mode

Generate sha256 text file

Fix curmb cannot use proxy correctly