[maven-release-plugin] prepare release github-api-1.3
[maven-release-plugin] prepare release github-api-1.3

jeffnelson/github-api,recena/github-api,kohsuke/github-api,gecko655/github-api,henryju/github-api,pomes/github-api,mmitche/github-api,if6was9/github-api,torodev/github-api,stephenc/github-api,PankajHingane-REISysIn/KnowledgeArticleExportImport,gitminingOrg/github-api,hanjianfei1/github-api,oleg-nenashev/github-api,marc-guenther/github-api,Shredder121/github-api,christiansahlstrom93/github-api,lucamilanesio/github-api,Sampson91/github-api,dblevins/github-api