Modernize dependencies, sync with gva

This commit modernizes all requirements to the latest versions, adapts
the settings to Django 1.9 and synchronizes the settings layout with
gva.

requirements/base.txt

@@ -1,10 +1,20 @@
-Django==1.7.4
-django-ldapdb==0.3.2
-bpython==0.13.2
-django-braces==1.4.0
-django-model-utils==2.2
+Django==1.9.1
+Jinja2==2.8
+#django-ldapdb==0.4.0
+-e git+https://github.com/jandd/django-ldapdb@django19#egg=django-ldapdb
+python-ldap==2.4.25
+bpython==0.15
+curtsies==0.2.6
+django-braces==1.8.1
+django-model-utils==2.4
 logutils==0.3.3
 celery==3.1.20
-passlib==1.6.2
-requests==2.5.1
+amqp==1.4.9
+billiard==3.3.0.22
+kombu==3.0.33
+pytz==2015.7
+passlib==1.6.5
+requests==2.9.1
+simplejson==3.8.1
+-e git+https://git.gnuviech-server.de/gvacommon.git@0.2.1#egg=gvacommon
 redis==2.10.5

requirements/local.txt

@@ -1,10 +1,12 @@
 # Local development dependencies go here
 -r test.txt
-django-debug-toolbar==1.2.2
-Sphinx==1.2.3
-sqlparse==0.1.14
-releases==0.7.0
-Pygments==2.0.2
+django-debug-toolbar==1.4
+sqlparse==0.1.18
+Sphinx==1.3.5
+Babel==2.2.0
+snowballstemmer==1.2.1
+releases==1.0.0
+Pygments==2.1
 flake8==2.5.2
 mccabe==0.4.0
 pep8==1.7.0

requirements/test.txt

@@ -1,3 +1,3 @@
 # Test dependencies go here.
 -r base.txt
-coverage==3.7.1
+coverage==4.0.3