Added changelog.
Add custom steps to ingredients and tags to ingredients.

Example:
 ingredients:
  - !step Custom step here
  - Reagent @tag1,tag2
Correct selecting reagents in the ingredients tab to account for
different reagents with the same name but different tags.
Fix word wrapping/resizing in tables.
Fix scrolling to reagent when the recipe list changed.
Update translations.
Set the recipe list filter to All when selecting a tag from the tag cloud.