new version
  - Added WYSIHTML5 with bootstrap template
  - Modified Purchase Request Creation removing Purchase Request Lines and
    adding a description box wich can be edited using the WYSIHTML5 editor
  - Modified the Purchase Request Router to only fetch the selected
    Purchase Request
  - Modified the Purchase Request Show to display the detail box as HTML
  - Change some models and controllers to work with these changes
  - Agregamos el tipo de usuarios "compras"
  - Modificamos Purchase Request Show para que solo muestre las cosas a
    los usuarios de "compras"
  - Arreglamos la creacion de usuarios y el indice de los usuarios
  - Activate item deletion
  - Modified Purchase Request Creation
  - Modified Deliveries Index. Shows 'guide2' and 'guide3' fields and
    'invoice_delivery_date'
  - Delivery create and show inputs are now bigger
  - Improved Purchase Request Show
  - Added notes to Purchase Request Show
  - Added Quotations to Purchase Request Show
  - Nothing is being saved to the db yet...
  - Almost done finishing the new Purchase Request Show
  - I still need to work on the Purchase Order Creation and on a way to
    insert images from our local computer
new version
Added colors to Invoice Index View