Update .gitignore to streamline ignored files and directories

Author: otaviojava

.gitignore

@@ -1,24 +1,15 @@
-# Compiled class file
-*.class
-
-# Log file
+target/
+pom.xml.tag
+pom.xml.releaseBackup
+pom.xml.versionsBackup
+pom.xml.next
+test-output/
+/doc
+*.iml
 *.log
-
-# BlueJ files
-*.ctxt
-
-# Mobile Tools for Java (J2ME)
-.mtj.tmp/
-
-# 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*
-replay_pid*
+.classpath
+-project
+/.resourceCache
+/.project
+/.idea
+.settings/