Added possibility to move a new block before choosing its type.
Merge pull request #398 from intportg/dev

Dev
Added possibility to easily define the index page of a section.
Merge pull request #399 from fredericbonjour/Admin

Easily define the index page of a section. Move a new block before choosing its type in page editor.
[REFACTOR] Rename "label" property in MenuEntry to "title"
[NEW] Add ShortCart block.
[ENHANCE] Harmonize price sorting ("without tax" always before "with tax")