improve documentation diagrams

git-svn-id: svn+ssh://controls01/siciliarep/svn/trunk/tango_client/ctrflyrtech_fdl/trunk@12939 a18efa20-c439-0410-bf20-9b91ec695b4c
big work on memory optimization (the issue is within TaurusPlot and the best way by now is to restrict decimation).
When a new file is loaded, clean up the previous information specially when means a facade change.
use the progressBar also for calculation and plotting progress.
Use statusBar to show information about the step where the process is.
Improve parsing percentage emission.

git-svn-id: svn+ssh://controls01/siciliarep/svn/trunk/tango_client/ctrflyrtech_fdl/trunk@12940 a18efa20-c439-0410-bf20-9b91ec695b4c
refactoring the FdlPlotter because the huge memory use.
sample time is now distinguished between loops and diagnostics. And time meaning of a signal is function of them having the information related with it.
special logger super class with usefull information about memory consumption.

git-svn-id: svn+ssh://controls01/siciliarep/svn/trunk/tango_client/ctrflyrtech_fdl/trunk@12941 a18efa20-c439-0410-bf20-9b91ec695b4c