simpler way to fill group hash in modify if key don't exist

code reorganization+docstrings

adding check for reserved password keys

pep8 compliance for ldapcherry/pyyamlwrapper.py

pep8 compliance

pep8 compliance

more pep8 compliance

pep8 compliance on ldapcherry/exceptions.py

pep8 compilance for ldapcherry/__init__.py

many pep8 fixes thanks to pep8ify

pep 8 on ppolicy + docstrings

disable autofill for modify forms

replace brackets by quotes in logs

fix typo in log

adding a redirected to the originaly requested page on login ...

user not authenticated and requesting an url are redirected to
the signin page with the requested page url as the query string (in
base64). It permits to redirect them to the requested page once they
've log in.

better error message for selfmodify if auth disabled

remove trailing spaces

various fix on ssl/tls + tests ...

* making ssl cert check and cert no check works
* adding a test to check if the cafile does exist
* reenable and fix ssl checks on travis

fix error if no ppolicy module

implementing ppolicy handling and a simple ppolicy module

implementing a simple ppolicy module

initialize ppolicy module

implementing frontend password policy check

adding skeleton for ppolicy check

fix error if password is not in modified attributes

change where form parsing is executed ...

this change creates a cleaner api for core functions

better exception handling in ldap backend

factoring source code

better docstring and splitting template load from reload

disable redirection + disable selfmodify if authentication is 'none'