Bug 920944 - Fix b2gperf
Bug 921531 - Use platform touch events
Merge pull request #12479 from alivedise/bugzilla/920944/two-homescreen-instance-in-b2gperf

Bug 920944 - Fix b2gperf, r=timdream
Merge pull request #12510 from KevinGrandon/bug_921531_use_platform_touch_events

Bug 921531 - Use platform touch events r=paul
Bug 885420 - endDate should never be smaller than startDate

We could also move the endDate so that it would be in the same relative
distance when the startDate shifts, but that's might be too invasive.

Signed-off-by: Matěj Cepl <mcepl@redhat.com>
Drafting the interface