Copies the Tumblr publishing service icon to the appropriate system resource directory when "make install" is invoked. Closes #6242.
Copies the Tumblr publishing service icon to the appropriate system resource directory when "make install" is invoked. Closes #6242.

damianmoore/shotwell,polymeris/shotwell,ritchiewilson/shotwell,abrauchli/shotwell,damianmoore/shotwell,polymeris/shotwell,abrauchli/shotwell,ritchiewilson/shotwell,jimbonator/shotwell,damianmoore/shotwell,jimbonator/shotwell,ritchiewilson/shotwell,abrauchli/shotwell,jimbonator/shotwell,polymeris/shotwell