Factored out common components in hop addition view controller and its working
Separated hopaddition controller from tableviewdelegate
Created a custom MaltAddition cell
Refactor: pull picker delegate out of OBMaltAdditionViewController
Refactor: pull table view logic out of OBMaltAdditionViewController

Finally have a shared code base for expanding and collapsing
cells in the hop & malt addition controllers.
Remove unnecessary template method from OBDrawerTableViewDelegate
Formatting
Malt addition color picker is now working
Minor: better showing of unit for pickers
Cleanup ingredient catalog .csv files
Original gravity calculation should use postBoilSize