use short syntax in quantum_common.py, replace eig.pysparse with eig.scipy
use short syntax in quantum_common.py, replace eig.pysparse with eig.scipy

BubuLK/sfepy,sfepy/sfepy,vlukes/sfepy,sfepy/sfepy,BubuLK/sfepy,vlukes/sfepy,rc/sfepy,rc/sfepy,BubuLK/sfepy,vlukes/sfepy,sfepy/sfepy,rc/sfepy