[maven-release-plugin] prepare release clouddocs-maven-plugin-2.1.3

Change-Id: I06864bd533137d1c87d32cbd9eda0d6b39a30901
[maven-release-plugin] prepare for next development iteration

Change-Id: I4b1f0e8551dfd3a7ba529b7a63772a083865cd92
Merge branch release/2.1.3

This commit exists for the sole purpose of forcing code review to create
a merge commit for release clouddocs-maven-plugin-2.1.3.

Change-Id: I17c7ca968ff52f319b4934e6d44ac0ff9c7f31b3
Merge "Merge branch release/2.1.3"