Updated Ingredients View:
- has now 5 columns (price column not working yet)
- resizes automatically

Updated Dish View:
- ingredients table has now also 5 columns (price column not working yet)

Deleted IngredientTableEntry class (is now obsolete)
Changed DishView:
- text area adapts its size now according to the divider of the split pane
Merge pull request #24 from halitanildonmez/sandrosbranch

Sandrosbranch