Version bump to 0.5.1
Version bump to 0.5.1

heckfi/cmsplugin_gallery_filer,jasekz/cmsplugin-filery,Alir3z4/cmsplugin-filery,heckfi/cmsplugin_gallery_filer,shagi/cmsplugin_gallery_filer,SocialSchools/cmsplugin_gallery,driesdesmet/cmsplugin_headergallery,SocialSchools/cmsplugin_gallery,shagi/cmsplugin_gallery_filer,driesdesmet/cmsplugin_headergallery,centralniak/cmsplugin_gallery,centralniak/cmsplugin_gallery