News in 1.90.1
--------------

* GtkSourceStyle is now a gobject
* Be more careful about Language and LanguageManager lifecycles: add
  gtk_source_[language|style_scheme]_manager_get_default to obtain
  managers object owned by gtksourceview
* Most of the files are now officially licensed under LGPL, still
  waiting for a few approval before completely switching the license.
* Port to GRegex
* Misc lang file updates
* Misc bugfixes