Display End-Time of activities in description and on activity page

[joatu]

• End Date in Description

• End Date on Community Activities Page

[samiriaz135]

I've solved most of this issue. The format of date and time on preview page and detail project is now correct. Only the list_project date and time need to be formatted. Jamie said "for list_project add start and end time but only add start month unless an event lasts more than a month"