Mailplane 2.5.1 released

Release notes:

• NEW: Added Window > Enter Full Screen menu item and keyboard shortcut
• CHANGED: Removed Mail > Forward keyboard shortcut because of Full Screen mode
• FIX: "Your action was not successful" error message when sending messages
• FIX: Attachments could not be uploaded to the server
• FIX: Chat in left sidebar couldn't connect to the server
• FIX: Two-finger swipes for back/forward didn't work (Lion only)

Update (2011-08-29): Mailplane 2.5.1 has been submitted to the Mac App Store.