459: Merge pull request #974 from akatsoulas/fix-alumni-date

[bug 1147807] Change the range of years based on the joined program date...

458: Merge pull request #950 from akatsoulas/1138467-unavailability-timespan

[fix bug 1138467] Set the maximum unavailability period to 3 months.

457: Merge pull request #944 from akatsoulas/1137647-unavailability-email

[fix bug 1137647] Recalculate when to send unavailability notifications.

456: Merge pull request #937 from johngian/pep8-fixes

Fix W503 pep8 errors.

455: Merge pull request #934 from akatsoulas/1100802

[bug 1100802] Check if date_left_program exists in profile view template.

454: Merge pull request #931 from akatsoulas/1132022-rep-group

[fix bug 1132022] Display only members of Rep group in EmailMyMentees fo...

453

Fix bugzilla url in fetch_bugs.

452: Merge pull request #921 from akatsoulas/rotm-hotfix

Replace ROTM_NOMINATION_END_DATE with a function.

451: Merge pull request #915 from akatsoulas/1068577-rotm-automation

[bug 1068577] Do not create multiple polls for ROTM automation.

450: Merge pull request #907 from akatsoulas/1122455-export-email-field

[fix bug 1122455] Export email field through the admin interface.