Thread safe changes for HcalDbService class
Add memory order parameters
Adapted customized config parser to the changed behaviour of the base class ConfigParser.
Add hits associated to DT segments. Fix DT segments in RhoZ view, so that they are displayed aligned to 1D rechits
Update DQMQualityTest.hpp

Clarifying description of the program
Introduced PayloadProxy for new database system.
Binary default ctor creates valid instances
conddb implementation for KeyList with pre-loading from db and de-serializing on demand
Added access to DB flavour
First iteration for namespace changeover (not compiling!)
New Condition Database implementation moved to cond namespace
Changed Streamer object to serialization functions
obsolete file, use it to give instructions
only in-time pileup
nested structs of persistent classes must be public in ROOT 6
Merge pull request #1094 from ggovi/new-conddb

DB cleanups -- Namespace re-organization
Merge pull request #1100 from giamman/preparation-for-new-mixing-part-4

Fastsim new mixing -- Preparation for new mixing part 4
Use tbb thread safe containers instead of mutex to protect plugin system data structures

PluginFactoryBase no longer needs to use a mutex to protect its data structure. This avoids problems where PluginFactoryBase and PluginManager may acquire their locks in different order based on the activity going on.
PluginManager also uses thread-safe containers however the mutex is still used to protect dlopen calls as well as access to loadingLibraryNamed_ value. Using the thread-safe container does mean we no longer have to take a lock if the shared library in question has already been loaded.
Consumes interface for mixing module
Added forking callbacks to edm::one::OutputModuleBase

Since PoolOutputModule still needs the forking callbacks, they were added to edm::one::OutputModuleBase