Possibility to set the directory of workflow
Small error
Merge branch 'master' of https://github.com/gmatteo/pymatgen

Conflicts:
	pymatgen/io/abinitio/workflows.py
Merge branch 'master' of https://github.com/gmatteo/pymatgen
get_symmetry_reduced_nodes made a public function
Test for get_coordinated_sites added.
Update isntallation for Mavericks. Different commandline tools installation
procedure.
 Bypass a bug in matplotlib (grid of plots with nplots % 2 != 0)
Fix examples page.
Merge branch 'master' of https://github.com/gmatteo/pymatgen
 Force scheduler shutdown if the number of Task.Error is > MAX_NUM_ABIERRS
 Add YAML configuration file for PyFlowsScheduler.
Add Cs2O2 and Rb2O2 to the list of special formulas.
 Add support for PAW files in XML format.
Merge remote-tracking branch 'mpmaster/master'
 Add ref_file(s) methods to PymatgenTest so that we can easily get the filepath(s) used for unit tests
 Add pawecutdg variable to DeltaFactor workflow.
 Fix typo in bandstructure calculation.
 Fix problem in netcdf reader.
add NWChem memory options support