onehook CLI improvements

[vholer]

Description

Following easy improvements might be considered for onehook CLI tool:

1. command doesn't expand to the terminal width as other commands
2. hook delete fails when provided with hook name

$ onehook delete refresh_dns_create-0
/usr/lib/one/ruby/cli/one_helper.rb:859:in `perform_actions': undefined method `each' for "refresh_dns_create-0":String (NoMethodError)
	from /usr/bin/onehook:175:in `block (2 levels) in <main>'
	from /usr/lib/one/ruby/cli/command_parser.rb:470:in `call'
	from /usr/lib/one/ruby/cli/command_parser.rb:470:in `run'
	from /usr/lib/one/ruby/cli/command_parser.rb:84:in `initialize'
	from /usr/bin/onehook:40:in `new'
	from /usr/bin/onehook:40:in `<main>'

Progress Status

• Branch created
• Code committed to development branch
• Testing - QA
• Documentation
• Release notes - resolved issues, compatibility, known issues
• Code committed to upstream release/hotfix branches
• Documentation committed to upstream release/hotfix branches

[al3xhh]

PRs to merge in 5.10 and master:

• code: F #4203: onehook CLI improvements #4206
• docs: F OpenNebula/one#4203: add issue to resolved issues docs#947

[vholer]

Note: change in config is not for one-5.10

[rsmontero]

ok will split in two so we can have the functionality 5.10.x

[al3xhh]

@rsmontero change done! @vholer thanks for the heads up!!