Invitation model
Merge branch 'merge-without-activation-changes' into invites
Simple user creation, no invite emails yet
Default send_email to False, fixing tests that assumed otherwise
Ensure invitations are created in the appropriate locations
Merge branch 'merge-without-activation-changes' into invites

Conflicts:
	mysearches/forms.py
Reference model in factory by string rather than import
Add reserved status for users
Merge branch 'master' into invites
Merge branch 'invites' into reserve-system
Merge pull request #910 from DirectEmployers/invites

Create invitations for MyJobs accounts [PD-542]
Remove comment, check in_reserve before sending email
PEP 8
More PEP 8
Ensure activations for home page account creation get sent
Ashley told me to PEP8.
Ashley requests more PEP8
Merge pull request #914 from DirectEmployers/reserve-system

Reserve system
Created a block-based templating system
CSS for blocks