Latest merge from master.
Get the backing/voting model working. Had to use raw SQL, will look
into doing neater shortly.
Get rid of the raw SQL.
Tweak the django-sql a little.
Remove debug print statements.
Merge branch 'dev-branch-matt' into dev-branch-rich

Conflicts:
	src/iStarter/iStarter/tests.py
	src/iStarter/ideasapp/models.py
added a new function that adds randomly selected tags to each of the objects in each of the classes that has a tags field.
added a call to a function in iStarter/tests.py that inserts a load of tags against each db row.
added tags (using taggit) to the projects model
no major change
not sure why this is still committing