Adds copyMessageToClipboard to the editor content menu
Adds copyMessageToClipboard to showQuickCommitDetails quick pick

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

Adds diffWithWorking to editor context menu
Renames diffWithPrevious for better clarity with new behavior
Renames diffWithWorking, diffLineWithPrevious, & diffLineWithWorking for better clarity

Fixes #24

Adds blame toggle to the editor toolbar

Rearranges menu structure

Re-adds context menu for diffLineWithWorking

Combines activeline annotation settings

Adds message setting to annotations
Adds active line annotations & setting

This is in-case it is still needed (it if off by default)

Would occur when the filename had changed

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