Some small docs fixes [1/1]

- Abstracted some hard-coded strings to en.yml
- Changed some literal 'a' tags to use 'link_to'
- Removed edit links from main doc index
- Fixed some markdown formatting errors


 crowbar_framework/app/assets/stylesheets/_nav.sass |   10 --
 crowbar_framework/app/views/docs/_tree.html.haml   |    4 -
 crowbar_framework/app/views/docs/show.html.haml    |   12 +--
 crowbar_framework/config/locales/crowbar/en.yml    |    5 +
 doc/devguide/api/barclamp.md                       |   98 ++++++++++----------
 doc/devguide/simulator.md                          |   22 ++---
 doc/devguide/testing/bdd/rats/clirat.md            |   16 ++--
 doc/devguide/testing/bdd/steps_rest.md             |   56 +++++------
 8 files changed, 105 insertions(+), 118 deletions(-)

Crowbar-Pull-ID: 5434aef38998994bb7e05986c8e18a627c6d1e2f

Crowbar-Release: development