Log Message:
Update to 1.2.2

* Enable gobject-introspection and vala support. Required by net/corebird

Changelog:
News in 1.2.2, 2016-12-16
-------------------------
* GtkTextView support: fix populate-popup signal param type

News in 1.2.1
-------------
* Add Croatian translation

News in 1.2.0
-------------
* Translation updates

News in 1.1.3
-------------
This is an unstable release in the 1.1 development cycle. The 1.2 stable
version will be released at the same time as GNOME 3.22.

* Add the gspell_text_view_basic_setup() convenience function to enable inline
  spell-checking in a GtkTextView in 2 lines.
* Support words separated by dashes (compounds)
* Use the AX_VALGRIND_CHECK Autotools macro
* Translation updates

News in 1.1.2
-------------
This is an unstable release in the 1.1 development cycle. The 1.2 stable
version will be released at the same time as GNOME 3.22.

* Inline checker: fix constant redrawing of the GtkTextView when the current
  word is not checked.
* Generate enum types
* Translation updates

News in 1.1.1
-------------
This is an unstable release in the 1.1 development cycle. The 1.2 stable
version will be released at the same time as GNOME 3.22.

* New API: inline checker: add an option to select the language from the
  context menu (right-click menu)
* Fix gtk-doc build issue
* Update GtkTextRegion -> GtkSourceRegion (utility class copied from the
  GtkSourceView library)
* Translation updates