Initial implementation of Boore et al (2014) NGA-West2 GMPE
Merge branch 'master' into bssa14_gmpe
Fixes class naming for consistency
Merge branch 'master' into bssa14_gmpe
add rst file for chiou_youngs_2014 GMPE
Merge pull request #240 from vup1120/Chiou_Young14

add rst file for chiou_youngs_2014 GMPE
CF2008 extended and adjusted GMPE for use in the new Swiss Hazard Model [2014]
CF2008 reviewed. a new coefficients class added, pep8 verified
CF2008 and tests reviewed, deleted non-used tables
CF2008_test reviewed, deleted non-used tables
CF2008Swiss 3nd-review, new utility class added, pep8 clean
CF2008Swiss 4th review, added units and tau flags
CF2008Swiss --removed mean_phi_ss classes - ready for OQ
CF2008Swiss --removed mean_phi_ss classes,tables - ready for OQ
CF2008Swiss --add doc - ready for OQ
CF2008Swiss - embeded single-station logic-tree
CF2008Swiss- labels correction on coeff.table
CF2008Swiss -pep8 fixes
ZH2006 extended and adjusted GMPE for use in the new Swiss Hazard Model [2014]
ZH2006Swiss reviewed, tests and tables corrected