Add conversions between liters per kilogram and quarts per pound, useful for mash water ratios.
Add a method to get the total grain weight of a recipe in kilograms. This weight excludes malt extracts and other sugars.
Fix XML typo; make sure version is set on ingredients in the BeerXML
Implement mash and mash step objects; read and write these to BeerXML; add unit tests for mashing
Merge branch 'feature-mashing'
Update a reference to Node 0.9 -> 0.10
Make sure style is properly set on new recipes; fixes a bug where it wasn't properly defined.
Version bump for new release