[maven-release-plugin] prepare release mapdb-0.9.9
[maven-release-plugin] prepare release mapdb-0.9.9

jankotek/mapdb,ffjiao/mapdb,binarytemple/mapdb,morfeo8marc/mapdb,mebigfatguy/mapdb,ringoluo/mapdb,codeaudit/mapdb,sumit784/mapdb,lamfire/mapdb,mebigfatguy/mapdb,SleimanJneidi/mapdb,olupas/MapDB,jankotek/MapDB,olupas/MapDB,hangum/mapdb,pettermahlen/mapdb,cocosli/mapdb,jankotek/MapDB,jankotek/mapdb