Add Backblaze preamble to license.

bwbeach · bwbeach · commit 583da348e0c4 · 2018-02-01T10:41:03.000-10:00
diff --git a/LICENSE b/LICENSE
@@ -1,3 +1,10 @@
+Backblaze wants developers and organization to copy and re-use our
+code examples, so we make the samples available by several different
+licenses.  One option is the MIT license (below).  Other options are
+available here:
+
+    https://www.backblaze.com/using_b2_code.html
+
 MIT License
 
 Copyright (c) 2018 Backblaze
