added init
fix import spec
save also instance object
added Average Type to b maximum likelihood registry configuration. fixed parameter ordering in Smoothed Seismicity
added accepts_completeness where needed
renamed accept_completeness -> completeness
Merge branch 'master' of https://github.com/GEMScienceTools/hmtk into dynamic-form
merge commit
removed print statement
fixed type of number_bootstraps
removed end_year hack. occurrence methods now takes in input a Catalogue instance instead of a dict
update smoothing test to use the Grid class
fix zspacing
fix smoothed_seismicity grid building to address rounding problems
pep8 issue
added DS_store to gitignore
Merge branch 'master' of https://github.com/GEMScienceTools/hmtk into end_year_hack
Merge pull request #22 from matley/end_year_hack

Some refactorings needed for the GUI