Fixes for log-normal event generation.

Conflicts:
	include/evb/readoutunit/Input.h
Add test case for log-normal distribution.
Add configuration parameters to limit the dummy FED sizes when using log-normal distribution.
Merge remote-tracking branch 'origin/logNormal'

Conflicts:
	include/evb/FragmentTracker.h
	include/evb/readoutunit/Configuration.h
	include/evb/readoutunit/Input.h
	include/evb/version.h
	src/common/FragmentTracker.cc
	test/cases/2x1_logNormal/configuration.template.xml