Change suggested repo to be cloned to the owned by MicroPasts
Use FactoryGirl to seed user

Using it we prevent errors happening when seeding users without
required attributes.
Add missing quote to localization file
Use abbreviation when referring to database time zone

According to [PostgreSQL][1]'s documentation, some formats of time zones
are accepted. But using the previous value, "London", I get the
following error, suggesting that this is not a supported format.

```
ERROR:  time zone "London" not recognized
CONTEXT:  SQL function "expires_at" statement 1

app/models/projects_for_home.rb:12:in `becomes_project'
```

[1]: http://www.postgresql.org/docs/9.3/static/functions-datetime.html#FUNCTIONS-DATETIME-ZONECONVERT-TABLE
Update Gemfile.lock following dependencies of existing Gemfile
Merge pull request #9 from MicroPasts/im-project-init

Project initialization instructions