* include/functions_fsgraph.php, include/functions_graph.php,
include/graphs/functions_utils.php, include/fgraph.php: cleaned source code
style.
* include/functions_graph.php: added first version of function
"graphic_combined_module2".
* include/graphs/functions_pchart.php: fixed when pass a empty array as
colour for graphs.
* include/graphs/pChart/pDraw.class.php: fixed to set a color border when
the graphs haven't a external defined colour.
* include/graphs/fgraph.php: changed for pass the data to static image graph
generator.
* operation/agentes/graphs.php: changed to use the new graph engine.
git-svn-id: https://svn.code.sf.net/p/pandora/code/trunk@4172 c3f86ba8-e40f-0410-aaad-9ba5e7f4b01f