Added default values to status table

Added a default row with last updated values of -1 to all columns
Updated status table

Status table is now a simple name/value 2 text row table.
Added methods to handle status table

/src/org/osuosl/ocw/DataBaseHandler.java: Added variables for status table. Added methods for initialising, updating and getting a status row.
Added handlers for status database table

/src/org/osuosl/ocw/Schedule.java: Methods for using status database table.
Merge pull request #22 from markholland/enhancement-14349

Enhancement 14349