Added ShowUpdateForm() method call example in README.md.

Updated version to 1.4.10.

Fixed ravibpatel#126 causing exception when downloading update file.

Now casting timeSpan.TotalSeconds to long instead of int.

Now integrity of the downloaded file will be checked using provided c…

…hecksum as soon as the download completes.

Fixed ravibpatel#68.

Fixed an issue that allowed user to edit Remind Later comboBox value.

Fixed version parsing issue on .NET Framework 2.0.

Added Portuguese translation provided by Alex.

Updated version to 1.4.2.