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This patch makes most blocktypes have no title set by default when created. For those that used to set their own titles, if no title is set after the configuration form is submitted, then they get the chance to set the title.

So for example, the RSS block will start with an empty title, but if the user doesn't set it, the title will be the title of the feed that is being syndicated.

Blocks like 'textbox' still keep their defaults, because they don't have any special case way of setting their own titles.

The name is largely irrelevant as it's only the creator of the file.

Signed-off-by: Andrew McMillan

Only make sure about resume artefacts being in the block instance if the instance is _actually_ an entireresume blocktype.

One suggestion for improvement is to have several layout templates and allow the user to pick one.

For now, it makes sure that all resume fields a user has are displayed in the block at all times (excluding goals and skills)

Changed all requires.
Also removed not used json/renderartefact.php

Build the form controls separately from the artefact chooser template itself, cleaning up all the artefactchooser templates quite a bit. Make sure that the message for the resumefield blocktype isn't stored as configdata also.

Implemented get_artefacts in the BlockType parent class, so that all children don't have to implement it.

The one exception thus far is the Profile Information blocktype, which needs to add the 'profileicon' field.