Added X11 error handling functions to FMXExternalPumpBrowser2 demo for Linux.
Deleted FMXExternalPumpBrowser demo for Linux.
Added uCEFMacOSConstants and uCEFMacOSFunctions units for MacOS.
Replaced TThread.Queue for TThread.ForceQueue to avoid executing that method immediately in some cases.
Added functions to copy the CEF binaries and the CEF helpers automatically to FMXExternalPumpBrowser for MacOS
Added TFMXBufferPanel.OnResized
Added more comments with missing functionality in Linux and MacOS
Added TinyBrowser demo for Linux.
Added AppHelperRenamer tool for MacOS.
Disabled 3 event in TCefViewDelegateRef in 32 bits as a workaround for the issue #278
