Addingplugin setup for External in 7_0_X
fixing random numbers for static functions and making TauSpinnerCMS type one::EDProducer
adding patches for checkdep
adding random number patch to reproduce default 7_0_X resul;ts and to allow multiple modules to use Tauola++
fix cout statements to have correct class names
Merge pull request #2201 from inugent/AddingExternalPluginsV2_7_0_X

Generator fixes -- Adding ExternalDecays with plugins to 7 series release. to replace pull 2079.