[config] Replace short variable name 'c' to 'container' in tasks/config.rb
[config] Add 'base_container' default setting
[config] Replace short variable name 'c' to 'container'
[config] Rename object "f" to "file"
[config] conflict container variable name

Modify: "container" -> "container_config"
[config] build task executes clone container and configuration

Make clone command and chenge build command
[config] Mod build command
Modify: add "build" command inside "shutdown" and "start" command.
[config] Wait for Redmine Configuration
[config] Fix indent of build
Merge branch 'config-issue-4' into config-development