Update and rename readme.md to README.md

tools/readme.md → tools/README.md

@@ -1,7 +1,7 @@
 ## PLEASE NOTE ##
 
 
-Most of the follwing scripts are only needed if you are trying to load one of the containers.  Please see table below for a recap of use cases.
+Most of the follwing scripts are only needed if you are trying to load one of these containers.  Please see table below for a recap of use cases.
 
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