- Fixed up inconsistancies in powerpoint and excel mimetypes set throughout the code
- Unit tests failures for excel sheets fixed
- Able to now create and checkout docs, sheets and presentations successfullly
- Docs, sheets and presentations downloadable and viewable
- Fixed ALF-2700
git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@20306 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261