Add archiving of src tarball and debian packages

tools/bots/bot_utils.py

Index: tools/bots/bot_utils.py
===================================================================
--- tools/bots/bot_utils.py	(revision 33754)
+++ tools/bots/bot_utils.py	(working copy)
@@ -92,7 +92,7 @@
     if internal:
       self.bucket = 'gs://dart-archive-internal'
     else:
-      self.bucket = 'gs://dart-archive'
+      self.bucket = 'gs://ricowtesting'
 
   # Functions for quering complete gs:// filepaths
 
@@ -135,6 +135,13 @@
   def sdk_directory(self, revision):
     return self._variant_directory('sdk', revision)
 
+  def linux_packages_directory(self, revision, linux_system):
+    return '/'.join([self._variant_directory('linux_packages', revision),
+                     linux_system])
+
+  def src_directory(self, revision):
+    return self._variant_directory('src', revision)
+
   def editor_directory(self, revision):
     return self._variant_directory('editor', revision)