updated the vipr submodule reference to point at the latest as of today commit.

MIchaelMainer · MIchaelMainer · commit 739d56745a49 · 2017-09-22T12:48:43.000-07:00
diff --git a/submodules/vipr b/submodules/vipr
@@ -1 +1 @@
-Subproject commit 59eb5e4009b48ae343c139a900c159b851285fe1
+Subproject commit e3c3b511a228e44f92eb997e33af6e03edc3aaed
