Issue #8 Add filter by country method to store

Add a method to the event store that is capable of filtering the events
in the blocks by country.
Issue #8 Filter top ranked events by country
Issue #8 Add method to filter by subkasts

Add method that filters by subkasts and updates the blocks in the list.
Add subkasts to seed data.
Use global object to lookup subkast name in event model.
Issue #8 Filter top ranked events by subkast

Top ranked events should be filtered by subkast when retrieved from event.
Issue #8 Accept events on date in block

Events can be shown in the block if they are on today's date or later.
Merge branch 'master' into filtering
Issue #8 Refactor server side events

Reorganize method placement in file.
Introduce get events by range to share event fetching logic.
Issue #8 Simplify sorting to upvotes only

Remove sorting by date for blocks.
Introduce TopRankedEvents collection which sorts by upvotes and datetime.
Issue #8 Interim commit for country/subkast filter

Filter all event queries by subkasts and country at all levels.
Issue #8 Filter top ranked events and by date by country and subkast

Add filtering to top ranked events and events by date to respect country and subkast.
Fix up spec data to have country and subkasts
Issue #8 Filtering also needs to be done to allow international events
Issue #8 Debugging proper filtering functions

Use subkast with an s
Use ss instead of SS for seconds in datetime format.
Touch ups...
Issue #8 Add a spec to verify sorting

Add a spec to verify that events are being sorted by upvote
Issue #8 Filtering by nation using and

Add international events to the event spec so that more events are expected
Merge branch 'master' into filtering
Issue #8 Stop handling international events

Fix up seed data to mostly have events that are in a country.
Remove queries for international events, this needs investigation to see
how mongoid will handle it.
Issue #8 Starting events by relative datetime

Use the relative datetime technique to get the starting events.
Issue #8 Wire up the country change to the vent

Trigger a country change on the navbar on the vent
Use the vent to reset the events collection
Add a stub vent to the test case event stores
Issue #8 Wire up subkast filter to the vent
Issue #8 Wire navbar into app vent for filters

Have the navbar listen to the app vent for country and subkast filter
changes.