[fix bug 1003138] Use timezone aware objects on Announcement.published.
Merge pull request #935 from glogiotatidis/ann

[fix bug 1003138] Use timezone aware objects on Announcement.published.
[Bug 918115] fix tooltip JS to be mobile friendly
Merge pull request #940 from Sancus/tooltipfix

[Bug 918115] fix tooltip JS to be mobile friendly
Fixes #1005221: T-shirt tooltip does not display on iOS
transition removed from visibility css property. made tooltip thinner to fit on iOS.
all transitions are faster.
prevent default touch event
Merge pull request #941 from caktus/1005221-ios-tooltip

Fixes #1005221: T-shirt tooltip does not display on iOS