Nine - v4.8.4, v4.8.4a

• Fixed the issue that an inline image was deleted from a signature.
• Fixed the problem that caused a crash when Inline images exist when doing the Copy & Paste in Editor.
• Fixed the problem of not being worked the push in EWS
• Fixed an issue related to blank spaces caused during processing the Reply/Forward.
• Started to support the base64 inline-image.
• Fixed the problem appearing the delete popup event repeatedly.
• Fixed the issue regarding To: field.
• Fixed other bugs and implemented some performance improvements.