Remove unused `check_verbose()` method

Added in 32402827d8e738c7c4e6025b7b3bbc6d7a1a45d2 but doesn't appear to be used. aa542585aeeef589b1ce1e18edf3d4aa30a06786 removed the verbosity argument
Merge pull request #1161 from wp-cli/rm-verbose

Remove unused `check_verbose()` method
add params first_name and last_name to wp user create
add basic test to 'wp scaffold plugin' command
`wp scaffold plugin` generate a sample readme.txt
Merge pull request #1171 from rodrigoprimo/user-create-new-params

Add parameters first_name and last_name to wp user create
Merge pull request #1173 from rodrigoprimo/scaffold-plugin-readme

`wp scaffold plugin` generate a sample readme.txt
Add `--fields` support to `wp user get`
Add `--skip-update` flag to `wp user import-csv`
Let's see if skipping PHP 5.5.11 does the trick to fix Travis builds
Merge pull request #1177 from wp-cli/fix-travis-3

Skip PHP 5.5 builds on Travis for now
Merge pull request #1176 from wp-cli/user-import-skip-update

Add --skip-update flag for wp user import-csv
don't set user whwn installing

Is it all right??
Merge pull request #1180 from szepeviktor/patch-2

don't set user when installing
Functional tests for #1180
Support passing `--parent-id` to set the parent of a menu item
When updating a menu item, always persist its data

Fixes a bug in core where the data will be lost https://core.trac.wordpress.org/ticket/28138
Persist the appropriate position when updating a menu item

See https://core.trac.wordpress.org/ticket/28140
Fix coding standards error
Merge pull request #1182 from wp-cli/fix-parent-id-1182

wp menu item add-post --parent-id=ID does not set menu item parent id