coverage
more workspace fit options
roosh don't override built-ins with ROOT types
histfactory: add Clone methods and apply_snapshot
ATLAS style: support for multiple orientations and shapes
Merge pull request #504 from ndawe/master

HistFactory/RooFit improvements
Merge pull request #505 from ndawe/style

[MRG] ATLAS style: support for multiple orientations and shapes
fix unstable hist test
Merge pull request #506 from ndawe/master

[MRG] fix unstable hist test
make histfactory utils less verbose by default
Merge pull request #507 from ndawe/master

[MRG] make histfactory utils less verbose by default
hist: add poisson_errors method
Merge pull request #508 from ndawe/master

[MRG] hist: add poisson_errors method
hist: poisson_errors test and preserve markersize
Merge pull request #509 from ndawe/master

[MRG] hist: poisson_errors test and preserve markersize
interactive.wait: handle default TCanvas
Merge pull request #511 from ndawe/master

[MRG] interactive.wait: handle default TCanvas
Makefile improvements
silence silly RooStats/RooFit banner if running in nosetests
Merge pull request #512 from ndawe/master

[MRG] Makefile improvements