Added ability to list the channels

Closes #4
Added ability GET a stream by ID

Closes #6
Fixing md5 generation
Added ability to create channels

Closes #3
Added ability to delete a channel

Closes #10
Return full stream objects when getting channel object
Added an action to get the streams associated to a channel

Closes #7
Use custom to_s format for time columns
Added test for valid date on started_on
Added routing specs for streams
Limited the stream routes to only the specified on the apiary
Added FactoryGirl syntax helpers for easier factory creation
Changed tests to use the shorter FactoryGirl syntax
Enabled strong parameters globally instead of per model
Added routing specs for ChannelsController
Changed routes to only allow the actions specified on the apiary
Changed spec to use real Lat,Lng values
Changed precision for lat,lng fields

The old precision was truncating values too much
Chanded spec to use a different identifer

It was causing PK constrains for the ID generation
Use Time.now instead of random for MD5 ID generation
changed travis DEV_DB_NAME
Update ionotify for guard