build: suppress warnings from FindBugs to fix build on Travis CI.

Correction for 331466b,
b3d82c9 and
ffb083b commits.

Author: php-coder

src/main/config/findbugs-filter.xml

@@ -28,6 +28,24 @@
 		</Or>
 		<Bug pattern="EI_EXPOSE_REP,EI_EXPOSE_REP2" />
 	</Match>
+	<Match>
+		<Class name="ru.mystamps.web.feature.series.AddSeriesDbDto" />
+		<Or>
+			<Method name="getCreatedAt" />
+			<Method name="setCreatedAt" />
+			<Method name="getUpdatedAt" />
+			<Method name="setUpdatedAt" />
+		</Or>
+		<Bug pattern="EI_EXPOSE_REP,EI_EXPOSE_REP2" />
+	</Match>
+	<Match>
+		<Class name="ru.mystamps.web.feature.series.PurchaseAndSaleDto" />
+		<Bug pattern="EI_EXPOSE_REP,EI_EXPOSE_REP2" />
+	</Match>
+	<Match>
+		<Class name="ru.mystamps.web.feature.series.SitemapInfoDto" />
+		<Bug pattern="EI_EXPOSE_REP,EI_EXPOSE_REP2" />
+	</Match>
 	<Match>
 		<!--
 			String[] allowedContentTypes: potentially caller can modify data after passing it to the