Tidying up the naming of some files

Cleaned up the controller plugin and started removing some cruft.

Make sure the new plugin implemented IConfigurable in case it was used in
isolation (we need to make sure the template folder was in config)

Removed the accidental dependency on dgu

Cleaning up the code and renaming some classes to better reflect what it is

Added a sample IDatasetForm to show how we can implement a custom form from a plugin.

Currently the form is pretty ugly and the controller_plugin needs simplifying so that it makes a more sensible example. The setup.py has had the plugins section changed and the version upgraded to 0.2 ready for when it is complete

[docs] Partially revert the last doc change.

I mis-read the part about the custom package form as being about the
custom user-registration form.

[docs] Updated documentation to reflect change to the User form

[register form] Updated the register form.

Updated to use the standard controller hooks that alter the behaviour of the form. In this
case, a fullname is required at registration. And that is maintained on the edit form too.

Updated for ckan 1.5. (Form still needs updating, but this is noted in README.)

[readme][xs]: more formatting.

[readme][xs]: formatting.

[gitignore][xs]: .

[refactor][m]: rename extension from exampletheme to example as per new repository name.

[form]: Get form working with CKAN 1.4.1 (formalchemy deprecated).

add comment about naming routes

move plugin out of __init__.py

shell script to name extension to something else

correct xpath filter transform

correct plugin name

more pointers in the README

initial commit