Added 2 new command's for Nginx that mimic Apache2's a2ensite and a2dissite command

See https://blog.kamal.io/post/nginx-apache-like-server-structure/ for more info.
Don't output what is being written to the config file
Merge pull request #24 from Ilyes512/stop_config_output

Don't output what is being written to the config file
Merge pull request #22 from Ilyes512/add_new_commands

Added 2 new command's for Nginx that mimic Apache2's a2ensite and a2dissite command
giving group,user,other exec permissions, so things like `which ngxen` work without sudo
escapting dollar signs so executables work correctly
Merge branch 'feature/nginx' into develop
fixed logic issue on disable, and fixed syntax issue of conditional
within nginx ngxen and ngxdis scripts
Merge branch 'feature/nginx' into develop
Merge branch 'develop'
moved ngxen/dis out to gist and curled it in on nginx install
Merge branch 'feature/ngxscript' into develop
Merge branch 'develop'
readme updated with ngx* and apache vhost notes
readme updated with ngx* and apache vhost notes
Merge branch 'develop'
readme w/ better syntax highlighting
Merge branch 'develop'
typo
fixing self-imposed conflict