ignore for JetBrains IDEs

.gitignore

@@ -8,7 +8,6 @@ public/css/*.css
 *.sublime-project
 *.sublime-workspace
 .project
-.idea
 *.swp
 Vagrantfile
 .vagrant
@@ -31,4 +30,14 @@ pidfile
 /public/stylesheet.css
 /public/admin.css
 /public/nodebb.min.js
-/public/nodebb.min.js.map
+/public/nodebb.min.js.map
+
+# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio
+*.iml
+
+## Directory-based project format:
+.idea/
+
+## File-based project format:
+*.ipr
+*.iws