Add --no-colors options to the help templates, add missing --no-colors to the uninstall.

lib/commands/uninstall.js

@@ -74,6 +74,9 @@ module.exports = function (names, options) {
 
 module.exports.line = function (argv) {
   var options = nopt(optionTypes, shorthand, argv);
+
+  if (options.colors != null) template.showColors(options.colors);
+
   if (options.help) return help('uninstall');
   var names   = options.argv.remain.slice(1);