Added .active field to Character model to track characters that are part of the VCP roster.
Fixed Character_Class controller issue that was allowing non-strong blizzard_id parameters.
Fixed Race controller issue that was allowing non-strong blizzard_id parameters.
Reverted Character.active field addition; redundancy.
Added bootstrap-datetimepicker gem to allow easy datetime selection.
Removed default Guild information from initial Settings model record.
Added default raid_start and raid_end times to initial Settings model for use in raid creation.