Use vendored dependencies, new relay/client location

Godeps/_workspace/src/github.com/cznic/b/AUTHORS

@@ -0,0 +1,11 @@
+# This file lists authors for copyright purposes.  This file is distinct from
+# the CONTRIBUTORS files.  See the latter for an explanation.
+#
+# Names should be added to this file as:
+#     Name or Organization <email address>
+#
+# The email address is not required for organizations.
+#
+# Please keep the list sorted.
+
+Jan Mercl <0xjnml@gmail.com>