Disabling Power Transforms in Font Awesome CKEditor plugin and Icon Field when the delivery method is Webfonts

Fixing issue where data-transform field was included in CKEditor icon insertions even when the field was blank

Adding proper spacing to fontawesome.install to bring into line with Drupal standard coding practices

Fixing issue where Webfonts installation issues would not be detected if the user had previously opted to use the CDN with SVG option

Changing the attachment method for CKEditor in the case of SVG with JS as the JS now has to be loaded inside of the editor.

Adding new method of building available icon lists as they are no longer available through the CSS file in Font Awesome 5.0. Icons can now be extracted through the provided icons.yml file in the library

Updating page attachment methodology to allow either SVG with JS or Webfonts with CSS versions of Font Awesome to be attached depending on user configuration

Updating Font Awesome settings/configuration to allow for Font Awesome 5.0 to use either SVG with JS or Web Fonts with CSS options when deploying

Updating drush command to deal with changes to the file structure of the downloaded Font Awesome 5, as well as changes to the library name

Updating README to reflect changes to the web URLs for the new Font Awesome 5.0 as well as the changes from CSS to JS as the default installation method