attempt, unfinished
actually made it work
change order to make it work
modification on finished ingredients ids, using ints now
fixing some N+1 queries
Merge pull request #41 from skleung/servings_in_database

self merging - this could be better by calculating how much to change rather than calling the DinersMeals query, but should help a lot and would allow those very intense queries to be done in the database rather than in ruby.