Revert "ptables - displaying os_family and layout in api show and list"

This reverts commit ed315bd9449dc7fa11cf0a32ef195c1795197cc3.

ptables - displaying os_family and layout in api show and list

Using Apipie versioning features and Maruku for markdown

Apipie switched from Redcarpet to Maruku to avoid crashes of the C
Extension. No further need of compiling anything to get markdown support.

fixes #2154 - "Foreman" link in main navigation should link to dashboard

fixes #2159 - Provisioning information shown in locations/organizations while provisioning is disabled.

fix typo in mismatches report

new org wizard.

refactor hash_for links on taxonomies/index

clone action, view, tests

minor cleanups that did not rebased cleanly