ignore pom.xml backup files created by maven versions plugin
ignore pom.xml backup files created by maven versions plugin

zhenyuy-fb/airlift,dain/airlift,erichwang/airlift,mono-plane/airlift,airlift/airlift,daququ/airlift,airlift/airlift,cberner/airlift,airlift/airlift,cberner/airlift,airlift/airlift,gwittel/platform,erichwang/airlift,johngmyers/platform-rack,zhenyuy-fb/airlift,dain/airlift,mono-plane/airlift,johngmyers/airlift,haozhun/airlift,martint/airlift,martint/airlift,mono-plane/airlift,johngmyers/airlift,johngmyers/airlift,electrum/airlift,johngmyers/platform-rack,daququ/airlift,zhenyuy-fb/airlift,erichwang/airlift,johngmyers/platform-rack,johngmyers/platform-rack,johngmyers/platform-rack,airlift/airlift-rack,proofpoint/platform,gwittel/platform,dain/airlift,johngmyers/platform,haozhun/airlift,gwittel/platform,zhenyuy-fb/airlift,johngmyers/platform-rack,electrum/airlift,johngmyers/airlift,airlift/airlift-rack,cberner/airlift,martint/airlift,cberner/airlift,daququ/airlift,haozhun/airlift,proofpoint/platform,electrum/airlift,johngmyers/platform,johngmyers/platform,daququ/airlift,mono-plane/airlift,proofpoint/platform,haozhun/airlift,electrum/airlift,dain/airlift