Add Wing FTP Server post-auth remote command execution module
Switch from pending to skip in specs
skip examples pending of pivotaltracker 38730815
Solve conflicts
Removed unused require and import. Handle the res.nil case in
execute_command() and authenticate().
Handle res.nil case in check(). Revert check for res.nil in
execute_command() because it was failing prior to the reverse_shell
connecting.
Fix failure messages for check().
Rename and apply rubocop style to wing_ftp_admin_exec
Land #3709, @nnam's wing ftp admin console cmd exec
Returns csv output to creds command

commit 82b2c1deae1f122dee23f41d9b58efc980998aa6 removed the -o option
from the creds command. This returns it to its former glory!
s/services/creds
Fix rspec-collection_matchers deprecation warnings in Rex::Socket
Use is_expected
Fix rspec-collection_matchers deprecation warning in Rex::Socket::RangeWalker
Avoid its on Msf::ModuleManager::Cache shared examples specs
Avoid its in Msf::DBManager specs
Avoid its in Msfupdate specs
Merge branch 'specs_skip' into fix_deprecation_warnings
Merge branch 'collection_owner' into fix_deprecation_warnings
Merge branch 'specs_its' into fix_deprecation_warnings