* small identity refactor:
+ Optimize? iterative cert chain methods to use array instead of slice
+ Add `ToChain` helper for converting 1d to 2d cert chain
TODO: replace literal declarations with this
+ rename `ChainRaw/RestChainRaw` to `RawChain/RawRestChain`
(adjective noun, instead of nound adjective)
* add regression tests for V3-1320
* fix V3-1320
* separate `DialUnverifiedIDOption` from `DialOption`
* separate `PingNode` and `DialNode` from `PingAddress` and `DialAddress`
* update node ID while bootstrapping
* goimports & fix comment
* add test case
* Consolidate identity management:
Move identity cretaion/signing out of storagenode setup command.
* fixes
* linters
* Consolidate identity management:
Move identity cretaion/signing out of storagenode setup command.
* fixes
* sava backups before saving signed certs
* add "-prebuilt-test-cmds" test flag
* linters
* prepare cli tests for travis
* linter fixes
* more fixes
* linter gods
* sp/sdk/sim
* remove ca.difficulty
* remove unused difficulty
* return setup to its rightful place
* wip travis
* Revert "wip travis"
This reverts commit 56834849dcf066d3cc0a4f139033fc3f6d7188ca.
* typo in travis.yaml
* remove tests
* remove more
* make it only create one identity at a time for consistency
* add config-dir for consitency
* add identity creation to storj-sim
* add flags
* simplify
* fix nolint and compile
* prevent overwrite and pass difficulty, concurrency, and parent creds
* goimports
