Bug 1064491: Request per-app data usage after first requesting total data usage. r=salva
Bug 1079758 - Notify user of log capture start
Merge pull request #24936 from lissyx/bug1079758

Bug 1079758 - Notify user of log capture start r=janx
Bug 1075970 - Ensure that the forward (DOMElem->TargetObj) and reverse (TargetObj->DOMElem) maps are one-to-one mapping

Done by creating "reference stubs" to target objects when we're inserting things to the maps.
Merge pull request #24849 from marshall/bug1064491_smartDataUsageTotal

Bug 1064491: Request per-app data usage after first requesting total data usage
r=salva
Bug 1016824 - Czech layout should be Qwertz.
Merge pull request #24969 from mnjul/bug_1075970_ensure_one_to_one_mapping

Bug 1075970 - Ensure that the forward (DOMElem->TargetObj) and reverse (TargetObj->DOMElem) maps are one-to-one mapping. r=timdream
Merge pull request #24988 from RudyLu/keyboard/Bug1016824-Czech_qwertz

Bug 1016824 - Czech layout should be Qwertz.
r=timdream.
Bug 1026306 - when mobile data isn't connected, wifi hotspot setting silently fails and disables itself.r=alive