Ignore Eclipse CDT project files

Since we have explicit .gitignore rules for QT creator and several other
editor-specific swap/utility files I'd like to add Eclipse CDT projects
also as this is my editor of choice.

(cherry picked from commit 90ab7162e7745701d09402df8b95b619919f4c65)

.gitignore

@@ -44,6 +44,10 @@ platform/android/java/assets
 *.files
 *.includes
 
+# Eclipse CDT files
+.cproject
+.settings/
+
 # Misc
 .DS_Store