* Added get_links to ArtefactType base class
* Implement get_links for all existing artefact types
* Enabled direct folder/file linking in the my files section

for when wwwroot doesn't include the server port.

cause misalignment of the images. Also triggered an upgrade to re-install
the template

wierd things don't happen when one plugin forgets to do so

header. Makes it easy for the contextual help.

imagemagick is installed

allowed file types

warning occuring

directories if they're not created, to ease upgrading. Also corrected
the cookie name checking to respect the session name