Work to make everything 1.6 compatible.

- removed django_cms (now woudl be added through the instance app)
- template changes
- django.contrib.markup  replaced with signalbox.templatetags.markup
- model importing
- change to manage.py and import paths
- some pep8ing
now fixing some issues with django 1.7 alpha in preparation
using dataprotection exception to log
temporary fix to allow for deprecation or defaults in django 1.6, not fixed by selectable
changes related to 0.3
tidying
optiont o log DB queries; shell plus config
updates to data exporting
clarifying import conflict'
rationalise tests
condition import reversion
imprving clarity of data export and duplicate reply templates... more explanation
changed default ordering to make display in resolve dupe replies template better
simplified and tidied study change view
fixing get_profile() references for django 1.7, modifying model to have onetoone relation
refactored data exporting to use pandas
reference for importing
templates for new data exporting
fixing get_profile refereces
pep8
conditional loading of reversion