Added constant AVAILABLE_GSIMS
Changed the way the list of available gsims is determined and added a test for it
Added gsim/__init__.py (accidentally not added in the previous commit)
Merge pull request #78 from larsbutler/missing-site-eq-tests

Add missing test cases for Site.__eq__()

[r=matley]
implemented tests for CF2008
added doc file and pep8 clenup
Changed get_available_gsims to return and ordered list
faccioli et al 2010 GMPE + tests
Merge branch 'cf2008' into faccioli2010
made FaccioliEtAl2010 extending CauzziFaccioli2008
renamed sigmaTM to sigma
Merge branch 'cf2008' into faccioli2010
use the same method of CF2008 for getting std
corrected documentation
Merge branch 'cf2008' into faccioli2010
fixed doc
Merge pull request #77 from micheles/1086809

Add a list of AVAILABLE_GSIMS in nhlib
Changed get_available_gsims to return and OrderedDict of classes
Merge pull request #80 from gem/get_available_gsims_fix

Changed get_available_gsims to return and OrderedDict of classes
Merge branch 'master' of github.com:gem/nhlib into cf2008