Added information about converting 

the import files to utf8
Rearranged listing change forms to make them a bit easier to use; moved
the current listing changes status to a modal dialog box
Made listing changes form non-remote and redirect to index on create
Merge branch 'master' into listing_change_tidy
Merge branch 'listing_change_tidy' of github.com:unepwcmc/SAPI into listing_change_tidy
Updated spec to match new behaviour in create action of listing_changes admin controller
Merge pull request #20 from unepwcmc/listing_change_tidy

Rearranged listing change forms to make them easier to use
Merge branch 'master' into tag_management

* master:
  Updated spec to match new behaviour in create action of listing_changes admin controller
  Made listing changes form non-remote and redirect to index on create
  Rearranged listing change forms to make them a bit easier to use; moved the current listing changes status to a modal dialog box
  Added information about converting
Added a tags preset model to manage and categorise tags
Added validations to preset tag model
Added specs for TagsController and PresetTag