Add FIXME note about posts status
Convert ushahidi.sql install script to migration #20
Remove alerts.sql
Add rough install instructions in readme
Add foreign to post_comments table back to posts fk_post_comments_post_id

Also - move post_comments after posts to avoid error during creation.
Merge pull request #23 from ushahidi/install-via-migration

Convert ushahidi.sql install script to migration #20
Merge remote-tracking branch 'ushahidi/master' into api-posts

Conflicts:
	install/sql/ushahidi.sql
Add missing foreign keys and missing relations in models

* Also remove ip_address fields - we have no business collecting that
* Add comments to a posts user_id/type
* Tasks to posts/users/parent
  * ON DELETE SET NULL for assignee/assignor - just unassign
  * ON DELETE CASCADE for post or parent
* post_* to form_attributes
  * ON DELETE SET NULL - to avoid mass deleting data if attribute removed
* post_comments to users / parent
  * ON DELETE SET NULL since a comment can just be treated as anonymous
    once a user is delete. Top level if parent deleted
* posts to form / users / parent
  * All using ON DELETE SET NULL to avoid mass deleting data when a form
    is remove
* Relations
  * Add form_attribute relation for post_*
  * Add form relation to post
  * Add posts relation to form
Remove FeatureContext.php @todo
FeatureContext: Move DB cleanup to seperate fn
Minor improvements to Post/Form/Group/Attribute response array

* Format created/updated timestamps in JS usable format
* Don't return id+url array with relations if their empty
* Return email/author/slug with posts