Installation of extension through MagentoConnect fails
If you get the following or similar error message:
Failed to download magento-community/Unirgy_Giftcert within preferred state "stable", latest release is version 0.9.4, stability "beta", use "channel://connect.magentocommerce.com/community/Unirgy_Giftcert-0.9.4" to install
Cannot initialize 'channel://connect.magentocommerce.com/community/Unirgy_Giftcert', invalid or missing package file
Install Errors
Package "channel://connect.magentocommerce.com/community/Unirgy_Giftcert" is not valid
PEAR ERROR: install failed
Add "-beta" suffix to the extension key for install, like this:
magento-community/Unirgy_Giftcert-beta
