Refactor flash activation
Consolidate page setup
Fix erroneous field focus
Read complete error message not only the header
Remove superfluous script
Fix flash selector
Fix spec for Ruby 2.1
Remove deleted asset from precompilation list
Fix error message css
Focus erroneous field first

This prevents that browsers ignore info/error messages.
update CHANGELOG
Merge pull request #1223 from opf/fix/4088_no_keyboard_focus_for_erroneous_fields

[FIX] 4088 no keyboard focus for erroneous fields