Fix for CoffeeScript prior to breaking change in 1.7.x for compiler registration

lib/migration.js

@@ -52,10 +52,16 @@ module.exports = (function() {
     get: function() {
     get: function() {
       if (this.path.match(/\.coffee$/)) {
       if (this.path.match(/\.coffee$/)) {
         try {
         try {
+          // 1.7.x compiler registration
           require('coffee-script/register')
           require('coffee-script/register')
         } catch(e) {
         } catch(e) {
-          console.log("You have to add \"coffee-script\" to your package.json.")
-          process.exit(1)
+          try {
+            // Prior to 1.7.x compiler registration
+            require('coffee-script')
+          } catch (e) {
+            console.log("You have to add \"coffee-script\" to your package.json.")
+            process.exit(1)
+          }
         }
         }
       }
       }