Adds hovers.changesDiff setting for line vs hunk diff

Adds bundle analyzer
Adds circular deps analyzer
Switches to es2018 output
Removes many circular dependencies

Adds author email to commit node tooltips
Adds ${email} token to many formats

Changes fetch date to  respect date settings

Keeps all path manipulation on the host rather than guest
Fixes shared/local path munging for mac/windows
Keeps current user lookup local when a guest
Keeps difftool lookup local when a guest
Avoids fetch date lookup when a guest
Stops clearing node_modules (for now)

Updates README (wip)
Updates welcome & settings pages (wip)

Adds ability to start a compare directly from the view

Renames showCommitInResults to showCommitInView
Renames showFileHistoryInResults to showFileHistoryInView

Adds Logger.debug, Logger.logWithDebugParams
Refactors logging and renames TraceLevel to LogLevel
Adds logging for views and view nodes

Adds codeLens.includeSingleLineSymbols setting

Changes changelog image links to permalinks
Moves all images for docs into a docs folder
Removes unused images

Closes #354 - Adds line history explorer (wip)
Closes #456 - Adds repository status to the repository nodes

Removes Uri monkey patch as it no longer will work
See 03432806c8
Stops encoding uris in .toString calls

Removes gitlens.advanced.git setting

This setting allows disabling/enabling showing avatars in hovers. We
already have settings for the explorer and blame gutter, so it makes
sense to also have one for the hovers.

Closes #419 - Make blame heatmap color configurable

Closes #149, #290, #265

Supports toggling annotations for each file individually or all files at once
Closes #289

Also fixes #286, #227, #219, #186, #151, #104, #75