* 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
* wip ca/ident cmds
* minor improvements and commenting
* combine id and ca commands and add $CONFDIR
* add `NewIdenity` test
* refactor `NewCA` benchmarks
* linter fixes
