* Adds a safety switch to configuration files.
This requires a user to either use TLS, or acknowledge that they are sending
credentials over plaintext.
* Warn if plaintext credentials will be passed
* Add true/false support to the plaintext transmission ack
* Updated website docs and ensured ToLower is used for true comparison
* Slight cleanup around mysql ha lock implementation
* Removes some duplication around lock table naming
* Escapes lock table name with backticks to handle weird characters
* Lock table defaults to regular table name + "_lock"
* Drop lock table after tests run
* Add `ha_enabled` option for mysql storage
It defaults to false, and we gate a few things like creating the lock
table and preparing lock related statements on it
* logbridge with hclog and identical output
* Initial search & replace
This compiles, but there is a fair amount of TODO
and commented out code, especially around the
plugin logclient/logserver code.
* strip logbridge
* fix majority of tests
* update logxi aliases
* WIP fixing tests
* more test fixes
* Update test to hclog
* Fix format
* Rename hclog -> log
* WIP making hclog and logxi love each other
* update logger_test.go
* clean up merged comments
* Replace RawLogger interface with a Logger
* Add some logger names
* Replace Trace with Debug
* update builtin logical logging patterns
* Fix build errors
* More log updates
* update log approach in command and builtin
* More log updates
* update helper, http, and logical directories
* Update loggers
* Log updates
* Update logging
* Update logging
* Update logging
* Update logging
* update logging in physical
* prefixing and lowercase
* Update logging
* Move phyisical logging name to server command
* Fix som tests
* address jims feedback so far
* incorporate brians feedback so far
* strip comments
* move vault.go to logging package
* update Debug to Trace
* Update go-plugin deps
* Update logging based on review comments
* Updates from review
* Unvendor logxi
* Remove null_logger.go
