[form] fix validation error handling
* type when possible ValidationError raised by the edit controller
* don't rely on repository to check required field
* turn css class used for field error message to errorMsg to avoid
confusion with the error class added to input
* fix css when errors are added by the form renderer
* fix form renderer to add the error message
CubicWeb semantic web framework
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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
-------------
Look in the doc/ subdirectory or read http://www.cubicweb.org/doc/en/