update initialize script for projects that don't use gemfile.erb

template/script/initialize-environment

@@ -1,5 +1,6 @@
 #!/usr/bin/env ruby
 
+if File.file?('Gemfile.erb')
   pwd = Dir.pwd
 
   Dir.chdir '..' do
@@ -13,6 +14,10 @@ end
 
   puts "Bundling for local environment"
   system %{script/gemfile local}
+else
+  puts "Bundling..."
+  system %{bundle}
+end
 
 puts "Installing git hooks"
 system %{script/install-git-hooks}