Fix deprecated class usages

Author: PseudoKnight

src/main/java/com/laytonsmith/database/MySQLProfile.java

@@ -71,7 +71,7 @@ public String getPassword() {
 	@Override
 	public String getConnectionString() throws SQLException {
 		try {
-			Class.forName(com.mysql.jdbc.Driver.class.getName());
+			Class.forName(com.mysql.cj.jdbc.Driver.class.getName());
 		} catch(ClassNotFoundException ex) {
 			throw new SQLException("Cannot load MySQL. Check your installation and try again");
 		}

src/main/java/com/laytonsmith/persistence/MySQLDataSource.java

@@ -38,7 +38,7 @@ private MySQLDataSource() {
 	public MySQLDataSource(URI uri, ConnectionMixinFactory.ConnectionMixinOptions options) throws DataSourceException {
 		super(uri, options);
 		try {
-			Class.forName(com.mysql.jdbc.Driver.class.getName());
+			Class.forName(com.mysql.cj.jdbc.Driver.class.getName());
 		} catch(ClassNotFoundException ex) {
 			throw new DataSourceException("Could not instantiate a MySQL data source, no driver appears to exist.", ex);
 		}

src/test/java/com/laytonsmith/core/functions/PlayerManangementTest.java

@@ -24,8 +24,9 @@
 import org.junit.Before;
 import org.junit.BeforeClass;
 import org.junit.Test;
-import static org.mockito.Matchers.anyInt;
-import static org.mockito.Matchers.eq;
+
+import static org.mockito.ArgumentMatchers.anyInt;
+import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.verify;