Cherry picking commit to SLC6 branch
can clear the _morphParams pointers so these are updated to the variables copied into the workspace
Merge pull request #156 from nucleosynthesis/cherry-pick-from-slc6

Cherry picking commit to SLC6 branch
Bug fix for #138.
Closes #153.
Adding plots to output of diffNuisances

if output file specified, additional plots of the post fit
and prefit nuisances and errors are saved.
Merge pull request #159 from nucleosynthesis/cherr-pick-plots-for-diffnuisances

Adding plots to output of diffNuisances
Invert initaliser after having inverted logic.
fix post-fit nuisance plots
Merge pull request #160 from nucleosynthesis/fix-nuisance-plot

fix post-fit nuisance plots
Adding ability to group nuisances NOT in a specfic group
run --freezeNuisanceGroup ^name to freeze all nuisances
not in group "name"

Additionally fixed a bug causing a crash when using freezeNuisanceGroup
accessing the mc_bonly

Some print out for when an unkwon group is asked for

Conflicts:
	src/Combine.cc
no starts_with in boost::algorithm (gcc version)
Merge pull request #162 from nucleosynthesis/nckw_cherry_pick_not_groups

Nckw cherry pick not groups
Merge pull request #158 from adavidzh/limit-boundary-checks

Bug fix for #138.
Merge remote-tracking branch 'upstream/development' into slc6-root5.34.17

Conflicts:
	src/Combine.cc
	test/diffNuisances.py
Merge pull request #164 from gpetruc/slc6-root5.34.17

merge updates from development branch to SL6