Show all gallery users 1.0.2

Added a delete files option button when uninstalled.

Fixed breadcrumb issue not using XF phrasing.
Now uses XFMG standards per XF guidelines.
Fixed template structure.
New phrase added jeepcj_galleryuserlist_all_gallery_users_desc
.joson now requires XF 2.2+ and XFMG 2.2+