Added filter spinner
Merge pull request #128 from kcho47/develop

Fixed bug where users could spam the server
Merge branch 'develop' of github.com:OpenGea/gea into develop
Filter dropdown selects time window for ratings
Merge branch 'feature/android-top-filter' into develop
Merge pull request #130 from gdaolewe/develop

Filtering ratings by time window
Refactored out postgres configuration to its own module.
Updated geaPg to not depend on __appDir.
Created refresh db script.
Merge branch 'develop' of github.com:OpenGea/gea into develop
Updated installer with new sample data. Added loading widget to map rating filtering because there is a noticeable delay before pins appear.