Change nutools build to only use cmake defines.
Change root config to skip broken afterimage config
Change geant config options to reflect upstream
Change tbb library extension so it can be used with OSX or linux
Change pandora_src rule to avoid cert error on OSX
Merge tag '0.4.1' into develop

Fix up depency versions for Python packaging.
Merge branch 'develop' into larsoft-build

Conflicts:
	config/externals.cfg
Building Modules package on Ubuntu 14.X
remove -j geant build
changes made trying to build on osx
add /opt/X11/include to root defines
use our gcc
set sdt=c++11 for xrootd
pandora uses .so on OSX too
patch for gccxml
pandora does not use cmake
cleanup from osx branch merge
larreco does not need special cmake defines
Patch to work around mysterious failure of root to find its own proofd includes

This only seems to affect FC20 and Ubuntu 14.04 - and not all instances of Ubuntu 14.04
Document more FC20 packages and the simpler pip install method.
forgot patch on root
Set version 0.5.0
Merge branch 'release/0.5.0'