* begin adding tls
* remove incomplete line in gw/main.go
* identity fixes+:
+ fix `peertls.NewCert` public key issue
+ fix `peertls.verfiyChain` issue
+ fix identity dial option
+ rename `GenerateCA` to `NewCA` and `generateCAWorker` to `newCAWorker` for better consistency/convention
* use pdbclient instead of pointerdb in miniogw
* fix tests
* go fmt
* make review changes
* modify how context.Background() is used
* more context stuff
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