+2004/01/20 Tobi Oetiker <tobi@oetiker.ch>
+ Ripped out all foreign libraries and adapted
+ Configure and Makefiles and accordingly.
+
+2002/03/26 Peter Speck <speck@ruc.dk>
+ Contribution of an svg output routine for the new gfx graphing part
+
+2002/03/23 Alex van den Bogaerdt <alex@ergens.op.Het.Net>
+ Several visible changes made to rrd_graph
+ * Pie chart support workable
+ * Elements that are not used do not take up space on the img
+ * Hack for the missing rotated text (see --vertical-label)
+ * Tiny boxes in front of labels now scale with the text
+
+2002/01/15 Tobias Oetiker <tobi@oetiker.ch>
+ The BIG graph update
+ * Replace libgd with libart
+ * Added freetype
+ * Updated zlib and libpng
+ * rrd_gfx.c intrduced as libart wrapper
+ * LINE takes now a float as argument
+ * RRDtool uses truetype for fonts
+ * thanks to libart there is now full alpha transparenc
+ and antialiasing.
+ * the new option --font lets customize the font
+ and size for various graph elements
+ * Updated to -> libtool 1.4.2 automake 2.12 autoconf 2.52
+ * new --zoom commandline option for zoom ans shrinking
+ ---- Still missing is rotatet text for the yaxis description
+ ---- Still missing is tab support in the text rendere
+ ---- Still missing is autoconf support for a default truetype font
+
+2001/07/26 Alex van den Bogaerdt <alex@ergens.op.Het.Net>
+ Added TOTAL to the VDEF functions.
+
+2001/07/19 Alex van den Bogaerdt <alex@ergens.op.Het.Net>
+ VDEF support. This is a variable containing one value
+ and a time component. This type of variable can hold
+ the result of a function over a complete time series
+ of data (DEF or CDEF) such as the maximum seen, and when.
+
+2001/03/10 Jake Brutlag <jakeb@corp.webtv.net>
+ Support for COMPUTE data sources (CDEF data sources). Removes the RPN
+ parser and calculator from rrd_graph and puts then in a new file,
+ rrd_rpncalc.c. Changes to core files rrd_create and rrd_update. Some
+ clean-up of aberrant behavior stuff, including a bug fix.
+ Documentation update (rrdcreate.pod, rrdupdate.pod). Change xml format.
+
+2001/03/07 Tobias Oetiker <oetiker@ee.ethz.ch>
+ Integrated complete rewrite
+ of rrdgraph documentation by Alex van den Bogaerdt
+ <alex@ergens.op.Het.Net>. This also contains info on his planned
+ changes to the rrdgraph module
+
+2001/03/02 Tobias Oetiker <oetiker@ee.ethz.ch>