v7.0.1 Small updates before sending out new ver

-- Removed "Example" sheet
-- Changed name of prefs sheet to "User Preferences"
-- Removed peoplesoft prompt from Email button, if no times existed (now
just ends with warning)
-- Added Oscar to Email list, and revised the order of people to email
(now, direct supervisors are first)
-- Revision to punch calculation, where only two punches in the first
and second columns will produce a time (fixed from prior releases)