Changes in 5.3.0 wrt 5.2.0

5.3.0pre3

JetObjects

-Solved memory bug in CdfJet::tracksInCone

ElectronObjects

- Add method bestMatchingCPRCluster to return link to CPR cluster that best matches with either CES wire cluster for CdfEmObject or matches with CES wire cluster of user's choosing.

ElectronMods

- Add in plug validation histograms for DQM

5.3.0pre1

Calor
- updated run range for WHA channel W4 6R <--> 7R swap
- fixed variable initalisation in CPR code

CalorObjects
- fix for PEM spike killer to prevent negative energies

JetUser
- new jet corrections

MetMods
- fix memory corruption in CdfMetModule

ShowerMax
- changed error severity levels