Add DB impl for validation state storage

config/mariadb/init.sql

+CREATE TABLE `CommitValidationMessage` (
+  `id` SERIAL,
+  `commit_id` bigint(20) NOT NULL,
+  `providerId` varchar(100) DEFAULT NULL,
+  `authorEmail` varchar(100) DEFAULT NULL,
+  `eclipseId` varchar(255) DEFAULT NULL,
+  `statusCode` int(11) NOT NULL,
+  PRIMARY KEY (`id`)
+);
+
+CREATE TABLE `CommitValidationStatus` (
+  `id` SERIAL,
+  `commitHash` varchar(100) NOT NULL,
+  `project` varchar(100) NOT NULL,
+  `lastModified` datetime DEFAULT NULL,
+  `creationDate` datetime DEFAULT NULL,
+  `provider` varchar(100) NOT NULL,
+  `repoUrl` varchar(255) DEFAULT NULL,
+  PRIMARY KEY (`id`)
+);
+
+CREATE TABLE `CommitValidationStatusGrouping` (
+  `fingerprint` varchar(255) NOT NULL,
+  `commit_id` bigint(20)  NOT NULL,
+  PRIMARY KEY (`commit_id`,`fingerprint`)
+);
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