Switch devenv to use pkg packages

lib/naclports/source_package.py

Index: lib/naclports/source_package.py
diff --git a/lib/naclports/source_package.py b/lib/naclports/source_package.py
index e2d5801c3c24f57fdb2e2ddfb728f562cd233245..0bb857a42c5917f659d28f0b72a9902bf8a0f8df 100644
--- a/lib/naclports/source_package.py
+++ b/lib/naclports/source_package.py
@@ -291,9 +291,7 @@ class SourcePackage(package.Package):
   def CreatePkgFile(self):
     """Create and pkg file for use with the FreeBSD pkg tool.
 
-    This step is designed to run after the build scripts and will
-    package up any files published by the PublishByArchForDevEnv
-    step.
+    Create a package from the result of the package's InstallStep.
     """
     install_dir = self.GetInstallLocation()
     if not os.path.exists(install_dir):
@@ -305,9 +303,7 @@ class SourcePackage(package.Package):
     abi_dir = os.path.join(paths.PUBLISH_ROOT, abi)
     pkg_file = os.path.join(abi_dir, '%s-%s.tbz' % (self.NAME,
       self.VERSION))
-
     util.Makedirs(abi_dir)
-
     bsd_pkg.CreatePkgFile(self.NAME, self.VERSION, self.config.arch,
         self.GetInstallLocation(), pkg_file)