removed noise in main, change description to add network fencer. this as per feedback in PR 609

added commentary aorund onfence-poweroff option in description - based on feedback from PR 609

removed blank line at 178 as per feedback PR609

changes to description of remove_security_groups

update to desciption of invert-sg-removal as per feedback on pr609

removed noise from define_new_opts as per feedback in PR609

Refactored codebase to consolidate keep_only security_groups and remove security_groups functons as per suggestion in PR 609

working test ocmmit

spec file updates

typo in spec

removeing noise

remove short option g for removal of security groups

updated for formated string standardisation in error output

restrcting fencing import to only those things not included in *

edding EC codes

added all other EC codes

remving plug as per feddback from PR609

PLuf to port v1

plug to port

plug to port

Changes as pe feedback on PR609