Spellfix; fix delete Repositories; adjust seed file

Squashed commit of the following:

commit ffb9f7694071ecf47e65ceceda264689677ac281
Author: Thomas Schank <DrTom@schank.ch>
Date:   Sat Nov 1 11:25:40 2014 +0100

    Adjust seeds

commit 7fe629e8fd2d5f3c16521de81e0d91f464503b38
Author: Thomas Schank <DrTom@schank.ch>
Date:   Fri Oct 31 20:55:58 2014 +0100

    Fix: remove directory after remove repository

commit 168e037a16aff0fe426811e208353a66b6a8282a
Author: Thomas Schank <DrTom@schank.ch>
Date:   Fri Oct 31 20:10:03 2014 +0100

    Spellfix
Fix link target in scripts, update README
Add is_default for definition; overhaul and fix definition editing
Refactor url building and service config
Replace progressbar by badges in executions view
Link directly to API, not through API Browser
Link to new JSON-ROA browser
Consistent states "success" -> "passed" ... migration ...
... models ...
... controllers ...
... helpers ...
 ... views ....
... adjust task select conditions ...
 ...
Fixex