Document external development dependencies
Add couple$.getSpouse methods
Document how to run tests without running the full build
Merge pull request #55 from justincy/contrib-docs

Update contrib docs
Merge pull request #56 from justincy/couple-getspouse

Add couple.$getSpouse methods
pull requests dont attempt to update gh-pages; closes #57
Merge branch 'master' of github.com:rootsdev/familysearch-javascript-sdk
add Fact.$getNormalizedDate() and $setNormalizedDate(); closes #58; also change object parameters to $setDate/$setPlace to be consistent with corresponding date/place fields
update doc bug
add change message parameter for note save/delete and as placeholder for discussions & memories save/delete
when refreshing an object after update, dont remove application-defined fields that begin with _