Ecal Records XMl dump

Use python wrapper to dump records in xml format.

Recipe:

cmsrel CMSSW_3_1_0_pre7
cd CMSSW_3_1_0_pre7
addpkg CondCore/IOVService zx29052009
addpkg CondCore/Utilities zx29052009
addpkg CondFormats/Common zx29052009
addpkg CondCore/EcalPlugins sa
addpkg CondTools/Ecal sa
scram b -j4

cd src/CondTools/Ecal/test

#lista tag
./inspectEcal.py -l

#dump to screen
./inspectEcal.py -t EcalADCToGeVConstant_n_avg1_ideal

#dump to file
./inspectEcal.py -t EcalADCToGeVConstant_n_avg1_ideal -f pippo.xml