fixed packaging

Author: Thomas Hanke

MANIFEST.in

@@ -1,4 +1,4 @@
 include README.rst
 include LICENSE
 include requirements.txt
-recursive-include ckanext *.html *.json *.js *.less *.css *.mo
+recursive-include ckanext *.html *.json *.js *.less *.css *.mo *.yml

ckanext/multiuploadform/assets/webassets.yml

@@ -1,11 +1,11 @@
 multiuploadform-css:
-  output: ckanext-multiuploadform/%(version)s_multiuploadform.css
+  output: multiuploadform/%(version)s_multiuploadform.css
   contents:
     - multi_uploader.css
 
 
 multiuploadform-js:  
-  output: ckanext-multiuploadform/%(version)s_multiuploadform.js
+  output: multiuploadform/%(version)s_multiuploadform.js
   extra:
     preload:
       - base/main