AboutBox credits/licenses (WIP)
Performance improvements in WebBrowserUtils

Cache IWebBrowser instances and icons
Re-enabled AboutBox controls
Minor - Removed unused usings
Corrected size/position of license link panel
Minor - Use shorter license name in WorkPanel
Refactored Hyperlink.cs
Refactored/cleaned up LinkLabel2.cs
Refactored AboutBox.cs
Minor/ignore - Removed unused usings
Replaced "(C)" with copyright symbol
Added more Collection.ForEach() extension methods
Finished styling AboutBox licenses
Added mail.png to DotNetUtils Resources
Added EmailAddress.cs and EmailLabel.cs to DotNetUtils.Controls
Renamed AuthorLabel to AuthorPanel
Renamed Custom Microsoft license
Ensure SelectableLabel gets resized when its text changes if AutoSize is true
Use AuthorPanels instead of TextBox in WorkPanel
Minor/ignore - Removed unused using