Basic controller created with new, index and edit actions
Solved some naming problems with controllers and views
Solved a routing misconception

Mounting admin#pages in admin/pages would duplicate pages in the path
Pages tree listed
Wrapper for page tree in index (quite cleaner)
Getting rid of everithing not essential until we have some front work here
Merge branch 'features/admin-index'
Rspec helper configured
Created the form for new pages and a spec checking that they are created
Merge branch 'features/admin-new'