* images/logo_vertical_water.png: added water mark for the graphs.
* godmode/db/db_info.php: cleaned source code style.
* include/graphs/pChart/pDraw.class.php: re-added lost line for the
rotation label value.
* include/functions_graph.php, include/graphs/functions_pchart.php,
include/graphs/functions_fsgraph.php, include/graphs/fgraph.php: added the
source code to show warter mark.
git-svn-id: https://svn.code.sf.net/p/pandora/code/trunk@4261 c3f86ba8-e40f-0410-aaad-9ba5e7f4b01f
99e3c78c19