bio, blogv2, placeholders

* bio; renamed properties
images => imageid
icon_size => image_size
border_size => image_border_size
remove image_border (checkbox) in favor of adding"none" as
image_border_size
* placeholders; added height: 100% as inline style
* blogv2
Fixed serie of bugs related to retrieving information (for example max #
of items)
Improved naming of properties