Bug 803934 - Actually turn on flag so empty event hours disappear in months day view.
890288 - Remove UA override for espn.go.com
891994 - Remove UA override for clickjogos.uol.com.br
891997 - Remove UA override for tam.com.br
891998 - Remove UA override for ceneo.pl
892001 - Remove UA override for thinkgeek.com
Bug 892412 - [Dialer][Call Log] Removing references to specific fonts.
Bug 892410 - [Contacts] Removing references to specific fonts.
Bug 883131 - [Call-Log] Show different empty call log messages for the 'All' and 'Missed' tabs. r=gtorodelvalle
Bug 894196 - [CB] Disapper the title background alert and need to display channel info
Bug 894205 - Usage Graph is not shown at the end
Bug 894254 - After canceling an import from FB, Gmail, etc there is not status message
Fix disabling ICC button and removing keyboard after maxlenght
Bug 893047 - [email] do not eat tap events on startup
Bug 888821 - B2G MMS: UA profile configuration based on MNC and MCC.
Bug 894334 - Design and implement a ContactsMatcher module (active mode)
Fixed maxLength issue: Bug #818270
Bug 796565 - Share URL of web page - browser part
Bug 889207 - [leo-pre-iot-br] [SMS] The message received before 12:00(AM) midnight is shown as TODAY in thread_list - r=gnarf

The message received before 12:00(AM) midnight is shown as TODAY
in thread_list

This patch triggers updateTimeHeaders on the next minute boundary,
instead of a 50 second poll.

Closes gh-10952
Merge pull request #10257 from lightsofapollo/ensure-hours-cleanup-803934

Bug 803934 - Ensure hours cleanup