Adds don't show again option to invalid git version notification

Adds diff with next command
Fixes #45 - Keyboard Shortcut collision with Project Manager
Preps v2.11.2

Splits showQuickCommitDetails into showQuickCommitDetails and showQuickCommitFileDetails
Adds closeUnchangedFiles command
Adds openChangedFiles command
Adds diffDirectory command
Adds contextual description to the `go back` commands
Fixes #44 by adding a warning message about Git version requirements
Fixes intermittent errors when adding active line annotations
Fixes intermittent errors when opening multiple files via quick picks
Updates dependencies
Preps v2.11.0

- Status bar blame information will hide
  - CodeLens change to a `Cannot determine...` message and become unclickable
  - Many menu choices and commands will hide
Fixes #36 - Blame information is invalid when a file has unsaved changes
Fixed #38 - Toggle Blame Annotation button shows even when it isn't valid
Preps v2.9.0

Adds data formatting option to blame annotations
Preps v2.8.2

Show commands rather than file set

Adds showQuickRepoHistory command to CodeLens
Adds showQuickCommitDetails command to the status bar
Adds showQuickRepoHistory command to the status bar
Changes recent CodeLens default command to showQuickCommitDetails
Changes status bar default command to showQuickCommitDetails

Would occur when the filename had changed

Nested .gitignore files can cause blame to fail with a repo within another repo

Adds shortcut for gitlens.showQuickRepoHistory
Adds gitlens.advanced.maxQuickHistory to limit the number of quick history entries to show
Adds gitlens.diffLineWithPrevious as alt context menu item for gitlens.diffWithPrevious
Adds gitlens.diffLineWithWorking as alt context menu item for gitlens.diffWithWorking
Adds gitlens.showFileHistory as alt context menu item for gitlens.showQuickFileHistory
Removes context menu for gitlens.diffLineWithPrevious
Removes context menu for gitlens.diffLineWithWorking
Replaces gitlens.menus.fileDiff.enabled & gitlens.menus.lineDiff.enabled with gitlens.menus.diff.enabled