[maven-release-plugin] prepare release metafacture-runner-3.1.2
[maven-release-plugin] prepare release metafacture-runner-3.1.2

culturegraph/metafacture-runner,guenterh/nlRunnerAdvanced,guenterh/mfRunnerPlayBox,cboehme/metafacture-core,metafacture/metafacture-core,culturegraph/metafacture-core,metafacture/metafacture-core,hbz/metafacture-core,guenterh/nlRunnerAdvanced,guenterh/mfRunnerPlayBox,cboehme/metafacture-core,hbz/metafacture-core,cboehme/metafacture-core,hbz/metafacture-core,guenterh/mfRunnerPlayBox,culturegraph/metafacture-runner,culturegraph/metafacture-core,culturegraph/metafacture-core,culturegraph/metafacture-runner,cboehme/metafacture-core,metafacture/metafacture-core,guenterh/nlRunnerAdvanced