leveldb: bump to 1.12.0

Signed-off-by: Marc-Antoine Perennou <Marc-Antoine@Perennou.com>
redis: bump to 2.6.14

Signed-off-by: Marc-Antoine Perennou <Marc-Antoine@Perennou.com>
haproxy: bump to 1.5-dev19

Signed-off-by: Marc-Antoine Perennou <Marc-Antoine@Perennou.com>
haproxy: bump to 1.4.24

Signed-off-by: Marc-Antoine Perennou <Marc-Antoine@Perennou.com>
rabbitmq-server: bump to 3.1.2

Signed-off-by: Marc-Antoine Perennou <Marc-Antoine@Perennou.com>
uwsgi: bump to 1.9.13

Signed-off-by: Marc-Antoine Perennou <Marc-Antoine@Perennou.com>