[maven-release-plugin] prepare for next development iteration
[maven-release-plugin] prepare for next development iteration

codelibs/elasticsearch-river-web,mm-tabata/elasticsearch-river-web,AlvinChiou/elasticsearch-river-web,mehulsbhatt/elasticsearch-river-web,EgorZhuk/elasticsearch-river-web,mehulsbhatt/elasticsearch-river-web,EgorZhuk/elasticsearch-river-web,AlvinChiou/elasticsearch-river-web,AlvinChiou/elasticsearch-river-web,EgorZhuk/elasticsearch-river-web,mehulsbhatt/elasticsearch-river-web,mm-tabata/elasticsearch-river-web,MjAbuz/elasticsearch-river-web,MjAbuz/elasticsearch-river-web,mm-tabata/elasticsearch-river-web,codelibs/elasticsearch-river-web,codelibs/elasticsearch-river-web,MjAbuz/elasticsearch-river-web