xdi largely working in Athena
more work on XDI in Demeter and Athena
more XDI improvments

beamline plugins
fixed a dangling data file problem in test #32
message in Build.PL about possible need for "Build touch_wrapper"
persistance of XDI metadata in Athena project file

also rename Demeter's clone method to Clone to avoid possible future conflict with MooseX::Clone
handle xdi metadata when cloning or generating Demeter objects
XDI output for LCF and PCA, also XDI doen properly D::Data::IO

abstracted methods in D::D::XDI and D::Get
XDI output for peakfit and log-ratio
abstracted method for cloning Xray::XDI objects for association with Demeter::Data objects
XDI-ish headers in output files even in absence of Xray::XDI
X23A2 plugins and XDI
xdi todo file
MEE pluck button + more work on XDI
Larch + XDI in Athena
LCF, PCA, LR all working with Larch+XDI output
fix some issues with XDI, plugins, and larch + doc page for metadata viewer
work on XDI and plugins
more effort towards metadata

also some work related to feff85exafs development
disallow running Atoms or Feff again after DnDing paths onto Data page

also disable those two run buttons once a project is opened
This addresses a problem reported 28 Aug 2014 on the mailing list
see http://www.mail-archive.com/ifeffit@millenia.cars.aps.anl.gov/msg04609.html and following thread
file extensions for several marked group output files