Add a retry layer to all providers (#224)

* Add a `ReceiptRetryLayer` for providers

* Fix the retry layer

* Rename the retry layer

* Remove outdated polling function

* Remoe unneeded dependencies

.gitignore

@@ -10,7 +10,7 @@ node_modules
 *.log
 
 profile.json.gz
-workdir
+workdir*
 
 !/schema.json
 !/dev-genesis.json