[form] add a new ignore_req_params attribute on field controlling value's retreival for such field, such as eid/__type in entity forms, we don't want to consider values from req.form since we may get undesired value (as reported by #714766). This new attribute allow do specify that we don't want to consider req.form in such case. Also, it seems that retreival of form values after a validation error suffer from the same problem, so don't use form_previous_values for field with ignore_req_params set to True (XXX though I suppose that may not be correct in some cases).

CubicWeb semantic web framework
===============================

Install
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More details at http://www.cubicweb.org/doc/en/admin/setup

Getting started
---------------

Execute:

 apt-get install cubicweb cubicweb-dev cubicweb-blog
 cubicweb-ctl create blog myblog
 cubicweb-ctl start -D myblog
 sensible-browser http://localhost:8080/

Details at http://www.cubicweb.org/doc/en/intro/tutorial/blog-in-five-minutes

Documentation
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Look in the doc/ subdirectory or read http://www.cubicweb.org/doc/en/