docs(common): update server API reference for R3 2017

Author: Marin Bratanov

api/server/Telerik.Web.UI/AsyncUploadHandler.md

@@ -12,6 +12,7 @@ This Class implements the inbuilt default AsyncUploadHandler
 ## Inheritance Hierarchy
 
 * System.Object
+* Telerik.Web.UI.Common.PreventableHandler
 * Telerik.Web.UI.AsyncUploadHandler : IHttpHandler, IRequiresSessionState
 
 ## Properties

api/server/Telerik.Web.UI/CaptchaAudioHandler.md

@@ -12,6 +12,7 @@ Captcha audio stream HttpModule. "Speaks" the Captcha code,
 ## Inheritance Hierarchy
 
 * System.Object
+* Telerik.Web.UI.Common.PreventableHandler
 * Telerik.Web.UI.CaptchaAudioHandler : IHttpHandler
 
 ## Properties

api/server/Telerik.Web.UI/RadFilterGroupExpressionItem.md

@@ -6,7 +6,7 @@ description: Telerik.Web.UI.RadFilterGroupExpressionItem
 
 # Telerik.Web.UI.RadFilterGroupExpressionItem
 
-Represents the UI component rendered by Telerik.Web.UI.RadFilter to represent 
+Represents the UI component rendered by Telerik.Web.UI.RadFilter to represent
             a group of filter expressions..
 
 ## Inheritance Hierarchy
@@ -42,7 +42,7 @@ Gets the RadFilterGroupExpression that the current item represents.
 
 ###  ExpressionContainer `RadFilterGroupExpression`
 
-Gets a reference to the UI component that holds the filter expression items in the 
+Gets a reference to the UI component that holds the filter expression items in the
             rendered RadFilter..
 
 ###  FunctionalInterfaceContainer `Panel`

api/server/Telerik.Web.UI/RadFilterSingleExpressionItem.md

@@ -6,7 +6,7 @@ description: Telerik.Web.UI.RadFilterSingleExpressionItem
 
 # Telerik.Web.UI.RadFilterSingleExpressionItem
 
-Represents the UI component rendered by Telerik.Web.UI.RadFilter to to represent 
+Represents the UI component rendered by Telerik.Web.UI.RadFilter to to represent
             a filter expression having a single value.
 
 ## Inheritance Hierarchy

api/server/Telerik.Web.UI/RadGrid.md

@@ -957,7 +957,7 @@ Gets or sets the name of the Skin that Telerik RadGrid will use.
 
 #### Remarks
 There are three possible scenarios for using this property:Leave this property unset or set it to "Default" - the default skin,
-                    common for the Telerik® UI for ASP.NET Ajax suite will be usedSet the name of the embedded grid skin - the skin will be appliedSet the name of the custom grid skin along with the EnableEmbeddedSkins="false" 
+                    common for the Telerik UI for ASP.NET AJAX suite will be usedSet the name of the embedded grid skin - the skin will be appliedSet the name of the custom grid skin along with the EnableEmbeddedSkins="false" 
             (see 'Creating a custom skin' Fundamentals article)Set this property to "" - no skin will be applied.
                     Only the default grid images (for Expand/Collapse, Sort, Edit, etc) will be
                     used. Use this option if you have own appearance customizations for prevous