Makes them conditional on state

Avoids repeated authentication prompts
Persists provider disconnect across reloads

Moves avatar cache to global storage
Improves avatar cache updates/resets
Improves contributor avatar fetch update

Adds title context to stash push git command

Giving up on better else/catch/finally formatting -- can't fight anymore
Switching to tabs for better accessibility
https://twitter.com/sh4na/status/1146837957200027648

Lays some groundwork for the coming timeline webview

Changes working tree/branch comparision selection to be per-comparison

Adds whitelist for allowed git methods to be run on the host

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

Config when's can be resolved before extension activation

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

Replaces git content provider with git fs provider
Adds Buffer output support to git calls

Less roundtrips through to the UI on changes for better performance/UX
Also adds "flash" protection to deal with the active editor changing to undefined between changes

Closes #209 - Open File in Remote should ask for a branch if no upstream

Fixes issue with new typescript
Pins node version to match vscode's version (7.9)