New in 2.21.92 - 28 February 2008
* Dropped dependency on pcrecpp.
* Improved network Y-scale in the Resources tab.
* Enabled transparent theming. Jon Bolt.
* All graphs CPU colors are stored in gconf /cpu_color{n} keys.
* Non-blocking lsb_release call : may improve startup time.
* A bunch of cleanups / c++-ification.