Sending email from discrepancy checking cron job

(#245)
Merge remote-tracking branch 'upstream/master'
Reacting to code review (#245).
Merge remote-tracking branch 'upstream/master'
add space and fix typo
Merge pull request #258 from anubhavsinha/#212_other_review_not_showing_up

add space and fix typo
tour fix
Merge pull request #259 from anubhavsinha/tour_fix

tour fix
Merge remote-tracking branch 'upstream/master'
Reacting to code review (#245).
Merge pull request #251 from egor83/master

Sending email from discrepancy checking cron job
Merge remote-tracking branch 'upstream/master' into voting