Update config for staging instance on EC2.
Remove MySQL-specific config.
Setup Postgres and initialise database.
Script for migrating Sqlite data to new Postgres db.
Add another dependency.
Update time window for relevant transactions.
Merge branch 'master' into postgres
Clear out old scripts.
Bring time window back to 365 days.
Include address in site'r unicode repr.
Merge branch 'master' into postgres

Conflicts:
	instance/config.py
Switch to postgres.
Use postgres db on staging.
Merge branch 'master' into translation
Fix translation on recistration & login form placeholders.
Add portuguese translation file and compile.
Add links to dropdown menu for selecting locale.
Merge branch 'translation'
Translate dates using Babel.
Update translations files with latest changes to English copy.