Prepare for release v1.3.16

dbe3d91 Fix a bug where upstream git commit was incorrectly pinned for stream assembly (openshift-eng#495)
084baa1 Turn git commit into a parsable yaml document This will allow our automation to be able to detect source and commit information without having to parse RPM spec files.
0917797 Build basis locked assemblies artifacts from their lastet build's upstream commit
c61bd43 Make evaluation of -alt image deterministic
e398878 Use unaltered git url to assess whether images are siblings
7d21721 Fixes for building from a specific commit
16f1e44 Allow assemblies to override streams
2a69d50 Do not write duplicate destinations
6821b79 Add emergency override
b908fe5 Gen-assembly from GA releases and default stream permits
788ae1e Reintroduce hotfix tagging
f4c42b7 Formalizing assembly issues and permitting them
20fdd0c Mitigate GSSAPIAuthError (openshift-eng#487)
5b7d850 Gen-payload for assembly fixes and updates for PR comments
cea8804 Make gen-payload enforce assembly consistency

doozerlib/VERSION

@@ -1 +1 @@
-1.3.15
+1.3.16