Fix corrections in code

*FindBugs scan fixed errors
*Checkstyle fixed errors

Change-Id: I8553a56859de91f8886fc1518ff26e7b16c5c1d6
Issue-ID: DCAEGEN2-606
Signed-off-by: wasala <przemyslaw.wasala@nokia.com>
diff --git a/.gitignore b/.gitignore
index 691c9f0..37f2c43 100644
--- a/.gitignore
+++ b/.gitignore
@@ -13,7 +13,11 @@
 # Package Files #
 *.jar
 *.war
+*.nar
 *.ear
+*.zip
+*.tar.gz
+*.rar
 
 # virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
 hs_err_pid*
@@ -22,7 +26,18 @@
 .idea
 *.iml
 
+# Maven
 target
+target/
+pom.xml.tag
+pom.xml.releaseBackup
+pom.xml.versionsBackup
+pom.xml.next
+release.properties
+dependency-reduced-pom.xml
+buildNumber.properties
+.mvn/timing.properties
+.mvn/wrapper/maven-wrapper.jar
 
 # virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
 hs_err_pid*
\ No newline at end of file