Support for ReSharper 2016.2

Fixes StyleCop/StyleCop#55

Author: citizenmatt

install/StyleCop.nuspec

@@ -3,12 +3,15 @@
   <metadata>
     <id>StyleCop.StyleCop</id>
     <title>StyleCop by JetBrains</title>
-    <version>2016.1.4</version>
+    <version>2016.2.0</version>
     <authors>Matt Ellis, Andy Reeves</authors>
     <owners>JetBrains, Matt Ellis</owners>
     <summary>StyleCop analyzes C# source code to enforce a set of style and consistency rules. Maintained by JetBrains</summary>
     <description>StyleCop analyzes C# source code to enforce a set of style and consistency rules. This plugin is compatible with StyleCop 4.7.54, and maintained by JetBrains.</description>
     <releaseNotes>
+&#8226; Updated to ReSharper 2016.2 (StyleCop/StyleCop#55)
+
+From 2016.1.4:
 &#8226; Create SuppressMessage attribute parameters more reliably
 &#8226; Works properly if StyleCop 4.7.49 is already loaded in Visual Studio
 
@@ -43,7 +46,7 @@ From previous releases:
     <licenseUrl>https://github.com/StyleCop/StyleCop/blob/master/License.html</licenseUrl>
     <iconUrl>https://raw.githubusercontent.com/StyleCop/StyleCop/master/logo.png</iconUrl>
     <dependencies>
-      <dependency id="Wave" version="[5.0]" />
+      <dependency id="Wave" version="[6.0]" />
     </dependencies>
     <tags>StyleCop analysis</tags>
   </metadata>

src/StyleCop.ReSharper/BulbItems/Framework/V5BulbItemImpl.cs

@@ -32,7 +32,7 @@ namespace StyleCop.ReSharper.BulbItems.Framework
     /// <summary>
     /// BulbItem Implementation for ReSharper build items.
     /// </summary>
-    public abstract class V5BulbItemImpl : BulbItemImpl
+    public abstract class V5BulbItemImpl : BulbActionBase
     {
         /// <summary>
         /// Gets or sets the description of the BulbItem.

src/StyleCop.ReSharper/CodeCleanup/Rules/LayoutRules.cs

@@ -25,7 +25,6 @@ namespace StyleCop.ReSharper.CodeCleanup.Rules
     using JetBrains.ReSharper.Psi.CodeStyle;
     using JetBrains.ReSharper.Psi.CSharp;
     using JetBrains.ReSharper.Psi.CSharp.CodeStyle;
-    using JetBrains.ReSharper.Psi.CSharp.Impl.Tree;
     using JetBrains.ReSharper.Psi.CSharp.Parsing;
     using JetBrains.ReSharper.Psi.CSharp.Tree;
     using JetBrains.ReSharper.Psi.Impl.CodeStyle;
@@ -337,25 +336,21 @@ private static void ChainedStatementBlocksMustNotBePrecededByBlankLine(ITreeNode
         /// </param>
         private static void CommentsMustBePreceededByBlankLine(ITreeNode node)
         {
-            ITreeNode siblingMinus2;
-            ITreeNode siblingMinus1;
-            ITreeNode siblingMinus3;
-
             for (ITreeNode currentNode = node; currentNode != null; currentNode = currentNode.NextSibling)
             {
                 if (currentNode is ICommentNode && !(currentNode is IDocCommentNode))
                 {
                     if (Utils.IsFirstNodeOnLine(currentNode) && !(currentNode.Parent is ICSharpFile))
                     {
-                        siblingMinus1 = currentNode.PrevSibling;
+                        ITreeNode siblingMinus1 = currentNode.PrevSibling;
 
                         if (siblingMinus1 != null)
                         {
-                            siblingMinus2 = siblingMinus1.PrevSibling;
+                            ITreeNode siblingMinus2 = siblingMinus1.PrevSibling;
 
                             if (siblingMinus2 != null)
                             {
-                                siblingMinus3 = siblingMinus2.PrevSibling;
+                                ITreeNode siblingMinus3 = siblingMinus2.PrevSibling;
 
                                 ITokenNode siblingMinus3Token = siblingMinus3 as ITokenNode;
                                 IWhitespaceNode siblingMinus2WhitespaceNode = siblingMinus2 as IWhitespaceNode;
@@ -368,7 +363,7 @@ private static void CommentsMustBePreceededByBlankLine(ITreeNode node)
                                     continue;
                                 }
 
-                                if (siblingMinus3Token != null && siblingMinus3Token.GetTokenType() == TokenType.LBRACE)
+                                if (siblingMinus3Token != null && siblingMinus3Token.GetTokenType() == CSharpTokenType.LBRACE)
                                 {
                                     // if we're the start of a code block then don't insert a new line.
                                     continue;
@@ -380,8 +375,15 @@ private static void CommentsMustBePreceededByBlankLine(ITreeNode node)
                                     currentNode.InsertNewLineBefore();
 
                                     ////CSharpFormatterHelper.FormatterInstance.Format(currentNode.Parent);
-                                    ICSharpCodeFormatter codeFormatter = (ICSharpCodeFormatter)CSharpLanguage.Instance.LanguageService().CodeFormatter;
-                                    codeFormatter.Format(currentNode.Parent);
+                                    LanguageService languageService = CSharpLanguage.Instance.LanguageService();
+                                    if (languageService != null)
+                                    {
+                                        ICSharpCodeFormatter codeFormatter = (ICSharpCodeFormatter)languageService.CodeFormatter;
+                                        if (codeFormatter != null)
+                                        {
+                                            codeFormatter.Format(currentNode.Parent);
+                                        }
+                                    }
                                 }
                             }
                         }

src/StyleCop.ReSharper/QuickFixes/Framework/ChangeStyleCopRuleAction.cs

@@ -26,7 +26,7 @@ namespace StyleCop.ReSharper.QuickFixes.Framework
     using JetBrains.ReSharper.Feature.Services.Bulbs;
     using JetBrains.ReSharper.Feature.Services.Daemon;
     using JetBrains.TextControl;
-    using JetBrains.UI.CrossFramework;
+    using JetBrains.UI.Application;
     using JetBrains.UI.Icons;
 
     /// <summary>