Bug 830180 - Change timespan overlap to include the case where one event begins when another ends r=lightsofapollo
Bug 856189 - Add missing icon
Merge pull request #8875 from gaye/bug-830180

Bug 830180 - Change timespan overlap to include the case where one event begins when another ends r=lightsofapollo
Merge pull request #8891 from KevinGrandon/bug_856189_calendar_sync_icon

Bug 856189 - Add missing icon