Add Eclipse/IntelliJ project files to .gitignore

Change-Id: If7fb0015b9635cdca6f27c7b4a818397b80bb96e
diff --git a/.gitignore b/.gitignore
index b25c15b..88322dd 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,9 @@
+# Tmp Files
 *~
+
+# IntelliJ Project Files
+.idea/
+*.iml
+
+# Eclipse Project Files
+.project