Unified API Keys into Connection file

Unified the twitter API keys into this connection file, so that it only
needed to be edited in one place.
Moved API Keys

Moved the API keys to the connection.php file. This allows easier
changes to the keys to be done in one spot.
Placeholder for future
Page Header

Holds each pages header section, which includes the links to the various
lists and/or live channel, as well as the Thursday warning system.
Unified API Keys into Connection file

Unified the API keys into the connection.php file, so that it only needs
to be edited once.
Header Include Added

Adds the Header.php to both the index (main) and Live pages, so that
they are more easily editable, and mainstreamed into one central
location for changes and updates.