Classify user-input errors on postback

Make CSS selectors simpler for user-input errors.

doc: fix typo

Fix issue #154: No way to logout or back to home (root site) page from any page.

Fixed primary key field detection for peewee

Peewee allow to create PrimaryKeys like IntegerField(primary_key=True)

More small English cleanups

Minor English cleanup in docstrings

#154: Added ability to insert external links to menu on all pages: added accessible checking, changed constructor parameters name

Minor cleanups to the README text.

Improved wording and fixed misspellings in the readme as part of a general documentation cleanup effort.

Added ComplexDateTimeField to column sortable list for mongoengine backend

Removed unnecessary include.

Fix filters, presented as dot-separated string

Refine column's tooltip presentation

Sort fileadmin items by name additionally

Fixed #147. Pass reverse property when constructing InlineFormList and let SQLAlchemy to update dependencies

Make required form field with bold red asterisk and bind helpers to templates

German translation