added background color for jquery buttons
removed size of a
select tags functionality: do not display elements which do not have tags
introduced color model
load a list of colors for each context and display as buttons
persist color selection -> added route, javascript handlers and php controllers
added button to remove choosen color
removed text from button -> button value
add Stackr -> description may be empty
fixed: make comments sortable after adding Stackr
implemented delete request method for Context, Stackr and Comment
implemented put request method for ContextController
implemented put request methods for Stackr actions: title, listTitle, favored and tags
implemented put request method for Comment handling actions: change position
implemented post request method to add new Context or Stackr
implemented get request method for Contexts
implemented get request method for Stackrs
implemented post request method for Comments
fixed: renaming of all method -> index
renamed all method -> index