Reset Caches should *not* be called during the TClass initialization
Skip the cache reset if we are during initialization _or_ have info from the rootpcm
Forget about ValuePrinterInfo.
use $\pm$ for plus-minus symbol to avoid problem during pdf generation.
ignore documentation products.
use expr instead of let as Linux /bin/sh does not support let (is not bash).
Add include guards.

(cherry picked from commit 0e294bd52696ec8531ff41776713ba6305c99067)
make functions legal C++.
Finish the work for ValuePrinterInfo.h
- Remove white spaces
- reactivate the pad printing.
Merge branch 'master' into cmaes4root_master