gtk+-3.0: Update to 3.13.4~f2c6b31e
Warn if -X is used in combination with -C
Warn if --save-temps is used in combination with -C
Warn if C files are used in combination with -C
Warn if -o is used in combination with -C
gtk+-3.0: Application.get_menu_by_id returns owned value
compiler: Support configurable pkg-config command so can cross compile

Fixes bug 690456
gtk+-3.0: Update to 3.13.5
Release 0.25.1
doap category core
doap: add <programming-language>
Add lvalue_access = false to Mutex and Cond

Fixes bug 733500
Replace WebKit 3.0 bindings with 4.0.

WebKitGTK+ is bumping their API version to 4.0 starting with 2.5.1.
These bindings haven't been part of a stable Vala release, so it should
be safe to just bump the version we distribute, too, instead of adding
4.0 alongside 3.0.
bindings: Update GIR-based bindings
poppler-glib: Update to 0.26.3
gtk+-3.0: Update to 3.13.6~
Add some missing get_used_variables methods

Fixes bug 734315
Add Simon Werbeck to THANKS
Report an error when parsing non-public struct fields

Fixes bug 683413
webkit2gtk: Update to 2.5.2