properly implementing minimum lenght limit in search

grotesque hacks to disable firefox autofilling of the forms

increment version + changelog + copyright to 2016

Merge branch 'master' of https://github.com/kakwa/ldapcherry

adding a little js for min lenght search ...

* impose a min lenght of 3 chars on searches, at least on the client
side...

using POST instead of default GET... oups... sorry

reindent javascript

maxuid is not 'max'.

implementing default value in form

adding special treatment if field is not required for ppolicy

modifying the templates to include custom ppolicy error message

adding piece of javascript to display custom ppolicy messages

update validator.js

adding notification after an action is performed

implementing custom js

multiple modification/fix ...

* add display_name parameter for backend
* handle display_name in modify template (lonely groups) and error
  message
* fix bug in modify when user is in only one backend
* remove redondant exception in ad/ldap backend
* fix unit test accordingly
* fix License in AD backend (GPLv3 -> MIT, previously tought of using
  samba4 python library which is GPL, but this module finaly uses
  python-ldap which is MIT compatible)

adding global exception handler

disable autofill for modify forms

implementing various autofill javascript functions

implementing lcDisplayName

using onchange instead on onkeyup

implement hooks to call autofill functions

adding autofill js file in base templates

adding skeleton of autofill functions

adding js to replace diacritic char in js

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.

fix html in error template

various fixes in html + unit tests on html

fix missing </span> in login form

fix favicon