Changes in version 3.3.3 are:
 * Distribute correct desktop autostart files
 * Use GcrPrompt and GcrSystemPrompt for prompting
 * Do not crash when reading a truncated keyring file
 * Add test tool for dumping the keyring format
 * Update for GckBuilder changes in libgck
 * Fix for deprecations in glib 2.31.x
 * Fix ReadAlias() returning null when 'login' keyring exists
 * Build fixes, bug fixes