Adds a static "container"
Adds a document tracker - replaces the context tracker
Adds a line tracker
Refactors all the things - better performance, lower overhead, less code, more separation of concerns, more maintainable (hopefully)
Changes dirty blame to only happen after a "idle" delay
Closes open file annotations on edit (too expensive to track changes)

Fixes #203 - open changed files is broken
Fixes highlander repository method
Adds repository picker

Adds onDidChangeRepo event to GitService
Refreshes stash view when repo changes

# Conflicts:
#	src/commands/stashApply.ts

Adds command args copying when needed

Also fixes issue with nested repos

Adds experimental 'Apply Stashed Changes' command
Adds experimental 'Delete Stashed Changes' to stashed changes quick pick