modify gitignore

Author: Ian Philips

.gitignore

@@ -23,7 +23,7 @@ AndroidViewToGLRendering-master/unity-lib/
 /[Mm]emoryCaptures/
 
 # Asset meta data should only be ignored when the corresponding asset is also ignored
-!/[Aa]ssets/**/*.meta
+#!/[Aa]ssets/**/*.meta
 
 # Uncomment this line if you wish to ignore the asset store tools plugin
 # /[Aa]ssets/AssetStoreTools*