[#1025] Added document upload

- Removed ProjectDocument model
- Changed Link model
  - Added IATI fields
  - Added document upload
  - Changed 'caption' to 'title'
- WIP because this migration will conflict with new migrations in other branches

akvo/rsr/admin.py

@@ -134,7 +134,11 @@ class LinkInline(admin.StackedInline):
     list_display = ('url', 'caption', 'show_link')
     fieldsets = (
         (None, {
-            'fields': ('kind', 'url', 'caption')
+            'fields': ('kind', 'url', 'document', 'language', 'title', 'title_language')
+        }),
+        ('IATI fields (advanced)', {
+            'classes': ('collapse',),
+            'fields': ('format', 'category')
         }),
     )
 

akvo/rsr/iati/iati_file_generator.py

@@ -137,8 +137,8 @@ def iati_links(activity, links):
             website = schema.activity_website()
             website.set_valueOf_(xml_enc(link.url))
 
-            if check_value(link.caption):
-                website.set_anyAttributes_({"akvo:url-caption": xml_enc(link.caption)})
+            if check_value(link.title):
+                website.set_anyAttributes_({"akvo:url-caption": xml_enc(link.title)})
 
             activity.add_activity_website(website)