Change auto-create-images conf key for image-missing-action
Added image-repo conf key
createimg and getimg command line options (WIP)
getimg is now working
Handle errors on image download and import
Throw exception if the images repo is not configured
Merge branch 'master' into rduran/image-download
Added ANSTE::Image::Getter class

Also, updated copyright in some files
Remove ask option
Fix default config file
Remove ChangeLog entry
Some fixes
Merge pull request #12 from Zentyal/rduran/image-download

Rduran/image download