Prototype LayoutImageMgr
ImageMgr extends: ImageMgr

Actions:
additional_action
default_action
main_action

Functions:
checkAdd(usr, level)
dumpToZip(z, fullExport, exportLog)
evalImg(param, creator)
evalImport(metadata, files)
importImage(layout, data)
mergeImages()

Macros:
LayoutImageMgr.navigation

Skins:
main.skin
navigation.skin
new.skin