Adds "progress" state to file annotation command

especially for larger file

Fixes #118 - stopped working on latest insiders build

As discussed, this should be ok for Insiders and Stable and accommodate for our URI changes.

Adds stash explorer toggle command

Rename Show File History in Explorer back to Open File History Explorer
Removes the git explorer view (for now)

Adds onDidChangeRepo event to GitService
Refreshes stash view when repo changes

# Conflicts:
#	src/commands/stashApply.ts

Adds templating support to explorer views

Adds refresh commands for explorer views
Adds context menu commands to both explorer views

Removes status node for now

Gets a properly constructed commit to improve performance of opening the diff

Fixes newly detected typescript errors

Adds command args copying when needed