Log Message:
Changes 0.4.12:
 * "Save all documents" has been introduced.
 * Fix up the title of the first session password dialog.
 * Add experimental spell checking support based on gtkspell, which needs to be
   explicitly enabled by passing --with-gtkspell to configure.
 * Translation roundup:
   - Updated Gobby to use en_US internally
   - Added Ukrainian translation
   - Various translation updates from Launchpad