Merge pull request #825 from glogiotatidis/master

[fix bug 1073402] Add X-COUNTRY-CODE to ical feed.
[fix bug 1072530] Reverse the order of past events.
Check if an event owner is in the attendance list.
Merge pull request #827 from akatsoulas/events-fix

Check if an event owner is in the attendance list.
Update required packages for virtualenv installation
Merge pull request #826 from akatsoulas/1072530

[fix bug 1072530] Reverse the order of past events.
Merge pull request #829 from akatsoulas/update-documentation

Update required packages for virtualenv installation
[fix bug 1082656] Order ModelChoiceField by last_name in forms.
Merge pull request #831 from akatsoulas/1082656

[fix bug 1082656] Order ModelChoiceField by last_name in forms.
[bug 1082656] Fix PEP8 violation.
Merge pull request #833 from akatsoulas/1082656

[bug 1082656] Fix PEP8 violation.
[fix bug 1080196] Do not show reports from former Reps.
[fix bug 1082656] Order by 'first_name' instead of 'last_name'.
Merge pull request #835 from akatsoulas/1082656

[fix bug 1082656] Order by 'first_name' instead of 'last_name'.
Merge pull request #834 from akatsoulas/1080196

[fix bug 1080196] Do not show reports from former Reps.
[Fix bug 1085427] Add last_report_date in API's RepResource.
Merge pull request #836 from johngian/1085427-last-report-date-api

[Fix bug 1085427] Add last_report_date in API's RepResource.
[bug 1082674] PEP8 Fixes
[fix bug 1082674] Do not force 12h format in datetimewidgets.
Merge pull request #832 from akatsoulas/1082674

[fix bug 1082674] Do not force 12h format in datetimewidgets.