Maven plugin version update, gitignore cleanup

.gitignore

+# IntelliJ
+.idea/
+*.iws
+*.iml
+*.ipr
+*.ips
+.idea/
+
+
+# Eclipse
+.settings/
+.metadata/
+.classpath
+.project
+
+# Generated
 target/
 javadoc/
 bin/
-.classpath
-.project
-.settings/
+log/
+
+# Misc.
 .DS_Store
+
+# Sample images
 *.png
 *.jpg
 *.bmp

pom.xml

@@ -178,7 +178,7 @@
 					<plugin>
 						<groupId>org.apache.maven.plugins</groupId>
 						<artifactId>maven-gpg-plugin</artifactId>
-						<version>1.4</version>
+						<version>1.5</version>
 						<executions>
 							<execution>
 								<id>sign-artifacts</id>