Fixes the quickInfo and completion list details for let and adds test cases for let and const
Handles #1083
Quickinfo and completion entry should display const enum enumName if enum is constant
Handles #1084
Code review feedback
Code review feedback
Merge branch 'master' into constLet
Merge branch 'master' into constLet
Merge branch 'master' into constLet
Merge pull request #1134 from Microsoft/constLet

Fixes the const and let nav bar, quickInfo, Completion List