bump Django version to 1.5.5
bump Django version to 1.5.5

achubb-dinosaur/wagtail-test,marceloboth/wagtail-cms,gasman/wagtaildemo,kaedroho/wagtaildemo,lincolnloop/wagtaildemo,torchbox/vagrant-django-template,dudunato/ywam-cerrado,achubb/wagtaildemo-heroku,jalourenco/wagtaildemo,Rawtechio/vagrant-django-template,achubb/wagtaildemo-heroku,ThibWeb/wagtaildemo,Pulsevoid/vagrant-django-template,torchbox/wagtaildemo,Pulsevoid/vagrant-django-template,dudunato/ywam-cerrado,Rawtechio/vagrant-django-template,marceloboth/wagtail-cms,jmcarp/wagtaildemo,jalourenco/wagtaildemo,ThibWeb/wagtaildemo,Pulsevoid/vagrant-django-template,torchbox/wagtaildemo,torchbox/vagrant-django-template,kaedroho/wagtaildemo,lincolnloop/wagtaildemo,achubb-dinosaur/wagtail-test,ThibWeb/wagtaildemo,gasman/wagtaildemo,lincolnloop/wagtaildemo,MortalCatalyst/vagrant-django-template,torchbox/wagtailapidemo,marceloboth/wagtail-cms,torchbox/wagtaildemo,kaedroho/wagtaildemo,MortalCatalyst/vagrant-django-template,lincolnloop/wagtaildemo,torchbox/wagtailapidemo,dudunato/ywam-cerrado,torchbox/wagtaildemo,torchbox/wagtailapidemo,jmcarp/wagtaildemo,torchbox/vagrant-django-template,jalourenco/wagtaildemo,torchbox/wagtailapidemo,Rawtechio/vagrant-django-template,achubb/wagtaildemo-heroku,kaedroho/wagtaildemo,jmcarp/wagtaildemo,dudunato/ywam-cerrado,jmcarp/wagtaildemo,ThibWeb/wagtaildemo,gasman/wagtaildemo,MortalCatalyst/vagrant-django-template,achubb-dinosaur/wagtail-test,gasman/wagtaildemo