Improve productivity of Core Editing scenarios

[Pilchie]

• Support "Add reference"/"Add NuGet package" in addition to Add Using (Productivity: Support "Add reference"/"Add NuGet package" in addition to Add Using #7051)
• [Add Using] Does not offer to add reference to shared project ([Add Using] Does not offer to add reference to shared project #8572)
• Add Using refactoring should not simplify when using is within namespace block ("Add Using" refactoring should not simplify when using is within namespace block #3716)
• Refactoring: Auto-add usings for pasted code snippets (Offer code fix to add usings for pasted code snippets #10272)
• Completion should prefer matches that are convertible to the target type (started in PR Implement "Target type preselection" #6878)
• Allow to Switch Back to VS2013 Style XML Comment Outlining (Allow to Switch Back to VS2013 Style XML Comment Outlining #10937)
• Provide option for VB completion to not insert newline on enter (Productivity: Provide option for VB completion to not insert newline on enter #7052)
• Completion should have a way to see items there is no using/reference for (Productivity: Completion should have a way to see items there is no using/reference for #7053)
• Completion should have a way to filter items by "kind" (Productivity: Completion should have a way to filter items by "kind" #7054)
• Completion item filtering missing filters for snippets and keywords (Completion item filtering missing filters for snippets and keywords #14528)
• Use argument types to guide Signature Help (Use argument types to guide Signature Help #6713)
• Add quick fix to generate a field and initialize from a constructor parameter (Add quick fix to generate a field and initialize from a constructor parameter #15648)
• Completion should suggest variable names based on the type (Productivity: Completion should suggest variable names based on the type #7055)
• C# Completion should preselect true and false for target typing (C# completion: preselect True and False for target typing #7122)
• C# Completion should preselect based on parameter names (Completion: preselect based on names #9260)
• Visual Studio 15 RC - Provide intellisense for when the type at the left-hand side is an interface type (Visual Studio 15 RC - Provide intellisense for when the type at the left-hand side is an interface type #16499)
• Support textual word based completion (Visual Studio is missing the word completion function #9300)
• Code Quality: Add code fix to remove a variable that is 'declared but never used' (Add code fix to remove a variable that is 'declared but never used' #10284)
• Intellisense Tooltip get too long in case of many generic parameters (Intellisense Tooltip get too long in case of many generic parameters #5)
• IDE Feature Request: Show Caller Info Attribute values in parameter help & Quick Info (IDE Feature Request: Show Caller Info Attribute values in parameter help & Quick Info #534)
• Ability to classify fields, locals and parameters differently (Ability to classify fields, locals and parameters differently #3976)
• Suggestion - Make Intellisense show "almost valid" members (Suggestion - Make Intellisense show "almost valid" members #1526)
• Snippets should be smarter about inserting accessibility modifiers (Snippets should be smarter about inserting accessibility modifiers #7988)
• Code Quality: Give warning if have multiple enumerations of an IEnumerable (#10276)
• Core Editing: Support fuzzy matching in auto-completion (Core Editing: Support fuzzy matching in auto-completion #10277)
• Core Editing: IntelliSense is fighting me when I type things that don't exist yet (Core Editing: IntelliSense is fighting me when I type things that don't exist yet #10279)
• Core Editing: Support the ability to share snippets (Core Editing: Support the ability to share snippets #10282)
• Unreachable code should be faded out, code fix should remove all unreachable code (Unreachable code should be faded out, code fix should remove all unreachable code #6970)
• Customizing Code Fix previews (Customizing Code Fix previews #3590)
• Need to have a way to specify group/order for CodeFixAction provided by CodeFixProvider (Need to have a way to specify group/order for CodeFixAction provided by CodeFixProvider #3994)
• Code Quality: Support for nullref analysis (Code Quality: Support for nullref analysis #10301)
• Feature Request: Add quick fixes for reference to inaccessible type (Feature Request: Add quick fixes for reference to inaccessible type #10337)
• Preselect default(T) after = in a non-primitive parameter declaration (Preselect default(T) after = in a non-primitive parameter declaration #7113)
• Completion word breaking heuristics failing with leading _ (Completion word breaking heuristics failing with leading _ #7912)
• Introduce alias for using statements (Introduce alias for using directives #13423)
• Lightbulb for BC30002 doesn't offer to "fix all" (Lightbulb for BC30002 doesn't offer to "fix all" #2270)
• Completion: list partial classes after "partial class" (Completion: list partial classes after "partial class" #7213)
• Quick fix for CS0650 (bad array declarator) (Quick fix for CS0650 (bad array declarator) #14687)
• IntelliSense should provide completions from the base class for the new keyword (IntelliSense should provide completions from the base class for the new keyword #15207)
• Proposal: Automatic documentation for potential exceptions (Proposal: Automatic documentation for potential exceptions #15573)
• Provide option to not automatically format on "Uncomment selection" (Provide option to not automatically format on "Uncomment selection" #15331)
• Add quick fix to generate a field and initialize from a constructor parameter (Add quick fix to generate a field and initialize from a constructor parameter #15648)
• Diagnostic for invalid String.Format expressions (Diagnostic for invalid String.Format expressions #15856)
• Is it possible to add intellisense to dynamic object with something like JSDoc? (Is it possible to add intellisense to dynamic object with something like JSDoc? #15974)

[rchande]

Also #7122 ?

[Pilchie]

@rchande: Added, but wouldn't that happen automatically as part of #6878?

[Pilchie]

Should be migrated to https://github.com/dotnet/roslyn/projects/7 and https://github.com/dotnet/roslyn/projects/6

[jmarolf]

moved to projects