less routes (only show/index for nested resources)
fix context_object_path
turbolink fix
add comment reg. order
use url_for instead of monster functions

well. I guess it's nice if I can delete code! ;)

I should have done some more rubber-duck-debugging
and just use rails url_for helper instead of
inventing stuff on my own ;)
fix bug in counts function
fix double array error
reduce number of keywords per page
refactor get_scope & get_context #DRY

-> moved it into its own class:

lib/context_and_scope_finder/context_and_scope_finder.rb
yield block to build_context
DRY nested resources helper