Log Message:
Changes 2.6:
	- experimentally moved source code management from CVS to GIT
	- added iterator functions to script bindings
	- more C-API tuning
	- add "-c" switch to dot to explicitly generate plugin \ 
"config" file
		instead of generating it as a side-effect of "dot -V"
	- better support for binary relocation.
	- plugin versioning and version checking
	- clean up of header files
	- provide statically linked "dot_static" (not incl. in rpms)
	- additional "event" support for GUIs (e.g. "DotEdit" \ 
graphviz-cairo)
	- add some information about plugins to "dot -v" output.
	- lefty/dotty fixes
	- fix bugs