Change reCaptcha for a non-google one

Closes #298

eventol/eventol/urls.py

@@ -26,6 +26,7 @@
     url(r'^accounts/profile/', TemplateView.as_view(template_name='account/profile.html'),
         name="user_profile"),
     url(r'^accounts/', include('allauth.urls')),
+    url(r'^captcha/', include('captcha.urls')),
     url(r'^jsi18n/$', JavaScriptCatalog.as_view(),
         {'domain': 'djangojs', 'packages': None}, name='javascript-catalog')
 ] + static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)

eventol/manager/forms.py

@@ -4,7 +4,7 @@
 import logging
 
 from collections import OrderedDict
-from captcha.fields import ReCaptchaField
+from captcha.fields import CaptchaField
 from dal import autocomplete
 from django import forms
 from django.core.exceptions import ValidationError
@@ -263,7 +263,7 @@ class Meta(object):
 
 class AttendeeRegistrationForm(ModelForm):
     repeat_email = forms.EmailField(label=_("Repeat Email"))
-    captcha = ReCaptchaField(label=_("Are you a human?"))
+    captcha = CaptchaField(label=_("Are you a human?"))
 
     field_order = ['first_name', 'last_name', 'nickname', 'additional_info',
                    'is_installing', 'email', 'repeat_email', 'captcha',
@@ -498,7 +498,7 @@ def signup(self, request, user):
 
 class ActivityProposalForm(ModelForm):
     repeat_email = forms.EmailField(label=_("Repeat Email"))
-    captcha = ReCaptchaField(label=_("Are you a human?"))
+    captcha = CaptchaField(label=_("Are you a human?"))
 
     field_order = ['event', 'title', 'speakers_names', 'abstract',
                    'long_description', 'speaker_contact', 'repeat_email',

requirements.txt

@@ -31,7 +31,7 @@ django-import-export==0.6.0
 django-jquery-js==3.1.1
 django-js-asset==0.1.1
 django-mailgun==0.9.1
-django-recaptcha==1.3.1
+django-simple-captcha==0.5.6
 django-webpack-loader==0.5.0
 djangorestframework==3.7.3
 djangorestframework-filters==0.10.2