Merge branch 'unstable' of https://git01.codeplex.com/z3 into opt

src/api/dotnet/Context.cs

@@ -916,6 +916,8 @@ namespace Microsoft.Z3
             CheckContextMatch(t);
             return new BoolExpr(this, Native.Z3_mk_or(nCtx, (uint)t.Length, AST.ArrayToNative(t)));
         }
+
+
         #endregion
 
         #region Arithmetic

src/api/dotnet/Expr.cs

@@ -320,6 +320,7 @@ namespace Microsoft.Z3
         /// Indicates whether the term is an implication
         /// </summary>
         public bool IsImplies { get { return FuncDecl.DeclKind == Z3_decl_kind.Z3_OP_IMPLIES; } }
+
         #endregion
 
         #region Arithmetic Terms