Merge pull request #2883 from dzuelke/dev-suggestions

Only print suggestions in dev mode

src/Composer/Installer.php

@@ -223,7 +223,8 @@ class Installer
         }
         $this->installationManager->notifyInstalls();
 
-        // output suggestions
+        // output suggestions if we're in dev mode
+        if (!$this->devMode) {
             foreach ($this->suggestedPackages as $suggestion) {
                 $target = $suggestion['target'];
                 foreach ($installedRepo->getPackages() as $package) {
@@ -234,6 +235,7 @@ class Installer
 
                 $this->io->write($suggestion['source'].' suggests installing '.$suggestion['target'].' ('.$suggestion['reason'].')');
             }
+        }
 
         if (!$this->dryRun) {
             // write lock