add sizes to image placeholders
add size of first image in gallery
use img instead of script
Merge branch 'mercury' into HG-thumb-sizes
better media object, safer width and height
array merge for config, allow disabling maxWidth
same thing twice?
nicer check if min width is used
shorten line
mediaDetailConfig
some spaces
Merge pull request #4480 from Wikia/HG-thumb-sizes

add sizes to image placeholders