Recipe Step rewrite

[vabene1111]

feature/recipe-steps - complete rewrite of internal recipes to support multiple steps and better markup.

Includes fixes for

• recipe image after upload bug recipe edit image not shown directly after save #93
• ingredients without amounts Ingredients without exact amount specified #111
• tests
• img edit save on "save button"
• delete ingredients without recipes or references
• search view "no image" aspect ratios broken
• custom render for headers
• prevent ingredient render when loading recipes with steps but no ingredients
• step move buttons
• step type icon
• proper handling of javascript errors (view, edit, mealplan, url)
• recipe delete and source delete buttons
• edit recipe step overview scroll to steps
• time calculation in view
• add admin views
• warn message when page leave on change
• add one step for new recipe
• hotkeys
• "no amount" ingredients dont need a unit either
• edit textarea smaller
• timer on mobile headlinne clipping