* added initial data explorer viewlet
* added dataexplorer contribution point
* removed test view
* remove unused imports
* inital data source, needs work
* add shim for ext host
* formatting
* making the necessary changes to use OE for tree view; need to look at TreeUpdateUtils.connectAndCreateOeSession
* formatting
* shimming oe more
* update to add correct context
* working cross provider; need to fix connection
* connection works but it adds the connection to the oe for some reason
* formatting
* add custom connection dialog code path
* hashing between trees
* added flag and tests
* add id maps to handle multiple nodepaths
* add necessary car edit parts
* keep current behavior in prodc
* fix tests
* address comments
* update comments to be more informative
* finish merge
* update comments
* fix whitespace
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