Merge pull request #2394 from harttle/master

feat: fecs support for js/html/css lint and format

doc/ale-supported-languages-and-tools.txt

@@ -89,6 +89,7 @@ Notes:
   * `crystal`!!
 * CSS
   * `csslint`
+  * `fecs`
   * `prettier`
   * `stylelint`
 * Cucumber
@@ -187,6 +188,7 @@ Notes:
   * `terraform-fmt`
 * HTML
   * `alex`!!
+  * `fecs`
   * `HTMLHint`
   * `prettier`
   * `proselint`
@@ -205,6 +207,7 @@ Notes:
   * `uncrustify`
 * JavaScript
   * `eslint`
+  * `fecs`
   * `flow`
   * `jscs`
   * `jshint`
@@ -438,6 +441,7 @@ Notes:
   * `thrift`
 * TypeScript
   * `eslint`
+  * `fecs`
   * `prettier`
   * `tslint`
   * `tsserver`