* refactor install.rb
Add "vervose: true" to FileUtils.xxxx
Fix any arguments
* Modify method name
* Enable to uninstall specify arguments of file
* "remove_entry_secure" substitute "rm_r" method because of display command
* Fix
Add blacklist file name
* Modify backup method
* Receive arguments any tasks
* Specify file if set ENV['f']
* Add new alias
* Specify target_files with ARGV
* Add description
Merge branch 'specify-args'