Update lfs for gif and changelog for editable properties

.gitattributes

 *.png filter=lfs diff=lfs merge=lfs -text
+*.gif filter=lfs diff=lfs merge=lfs -text

CHANGELOG.md

 
 The settings on master nodes now live in a small window that you can toggle on and off. The settings menu allows you to change various rendering settings for your shader.
 
+### Editable property names
+
+![](.data/editable_property_references)
+
+The property reference names are now editable. It is also now possible to make the properties not exposed.
+
 ### Bug fixes and minor changes
 
 - Fixed an issue where vector 1 node was not evaluating properly. ([#334](https://github.com/Unity-Technologies/ShaderGraph/issues/334) and [#337](https://github.com/Unity-Technologies/ShaderGraph/issues/337))

.data/editable_property_references.gif

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