Changes lunch options from 20 to 20 minutes
Adds slack-notifier gem
Method to get symbol of today's weekday
Task owner asked to maintain 15 minutes
Adds daily check to users absences from yesterday
Adds slack-notifier helper class
Adds methods to check for lateness, closest shift,
and check if person missed a day of work and if
he/she took a break which was too long
Closes #257
Removes Binding pry --'
Minor corrections after CR
Merge pull request #9 from redealumni/slack-notifications

Slack notifications