updated sw-glade to check for shared library libshotwell.so
updated sw-glade to check for shared library libshotwell.so

jof/shotwell,polymeris/shotwell,abrauchli/shotwell,h4ck3rm1k3/shotwell,damianmoore/shotwell,jimbonator/shotwell,ritchiewilson/shotwell,Sanva/shotwell-gsoc,ritchiewilson/shotwell,ritchiewilson/shotwell,Sanva/shotwell-gsoc,abrauchli/shotwell,h4ck3rm1k3/shotwell,polymeris/shotwell,polymeris/shotwell,damianmoore/shotwell,h4ck3rm1k3/shotwell,jimbonator/shotwell,jof/shotwell,jimbonator/shotwell,damianmoore/shotwell,Sanva/shotwell-gsoc,abrauchli/shotwell,jof/shotwell