- update to version 4.10.0
- bump glib dependency to 2.24

- update to version 4.9.2
- fix license
- remove the old BM_ macros
- use ?_VERSION for special versioned binary detection
- never disable checks

- update to version 4.9.1
- add support for LT_PREREQ
- remove spec file and rpm build target
- do not create a gzip tarball
- never use xdt-autogen in autogen.sh
- fix FSF address and add missing licenses
- don't use -g3 for full debugging
- use pkg-config macro for detection
- port exo-csource to xdt-csource