Rewrites blame annotation controller and provider - fixes whitespace issues, reduces overhead, and provides better performance
Rewrites status bar blame support - reduces overhead and provides better performance
Adds showFileHistory command to status bar
Renames showHistory to showFileHistory
Fixes log to use iso 8601 for dates
Adds output channel logging, controlled by the `gitlens.advanced.output.level` setting
Removes all debug logging, unless the `gitlens.advanced.output.debug` settings it on