update .gitignore

.gitignore

@@ -1,36 +1,16 @@
-HELP.md
-target/
-core/target/
-site/target/
-!.mvn/wrapper/maven-wrapper.jar
-!**/src/main/**
-!**/src/test/**
-
-### STS ###
-.apt_generated
+/eclipse
+tmp
+precompiled
+/conf/application.conf
+test-result
 .classpath
-.factorypath
-.project
-.settings
-.springBeans
-.sts4-cache
-
-### IntelliJ IDEA ###
-.idea
-*.iws
-*.iml
-*.ipr
-
-### NetBeans ###
-/nbproject/private/
-/nbbuild/
-/dist/
-/nbdist/
-/.nb-gradle/
-build/
-
-### VS Code ###
-.vscode/
-
-### mac ###
-**.DS_Store
+*.launch
+*.classpath
+*.DS_Store
+**.iml
+**.ipr
+**.iws
+**.log
+/log/
+.idea/
+**target/