Fix sqla total count
Remove tools module.
Merge pull request #80 from iurisilvio/remove_tools

Remove tools module.
Merge pull request #79 from iurisilvio/patch-2

Fix sqla total count
Fixed fields order bug in mongoengine.
support for MongoEngine ImageField
Fix read only fields lookup of endpoint field

I have an `endpoint` field and it breaks when I try to make it readonly because model base get the `self.endpoint` instead of `instance.endpoint`.
Fix a NameError to sqlalchemy.sql.expression.literal_column

This file use the `literal_column` expression, but import the `literal`.
Merge pull request #82 from iurisilvio/patch-2

Fix read only fields lookup of endpoint field
Merge pull request #83 from iurisilvio/patch-3

Fix a NameError to sqlalchemy.sql.expression.literal_column
Remove readonly fields from fields tuple before create model_form

It solves the problem with sqla, I don't know if the other backends have the same issue.

If you pass readonly fields in `only` parameter, WTF try to update these fields and breaks because they are not defined.
Merge pull request #84 from iurisilvio/patch-4

Remove readonly fields from fields tuple before create model_form
added parameters on the FileField proxy_class to handle ImageField
Merge remote-tracking branch 'upstream/master'
small PEP8 fixes
Added missing field_name method to filemanager
Context with paths and messages in fileadmin
PEP8 Line too long fixes on fileadmin
Inheritance fix and some PEP8 line too long fixes
File admin template, added messages and paths