Improve scroll restoration perf (bug 986625)
don't hide the lightbox on each navigation (bug 989078)
Merge pull request #420 from mstriemer/dont-close-lightbox-on-navigation-989078

don't hide the lightbox on each navigation (bug 989078)
vertically centre splash screen without flexbox (bug 985008)
revert settings_local_hosted.js (bug 983815)
Merge pull request #422 from cvan/noflex

vertically centre splash screen without flexbox (bug 985008)
fix unit tests; I do not even know
Merge pull request #416 from muffinresearch/fix-scroll-restoration-perf

Improve scroll restoration perf (bug 986625)
Commit from Mozilla Verbatim by user maktrix.: 192 of 301 strings translated (0 fuzzy).
Commit from Mozilla Verbatim by user maktrix.: 195 of 301 strings translated (0 fuzzy).
Commit from Mozilla Verbatim by user maktrix.: 301 of 301 strings translated (0 fuzzy).
Commit from Mozilla Verbatim by user matjaz@mozilla.com.: 301 of 301 strings translated (0 fuzzy).
Merge branch 'master' of github.com:mozilla/fireplace
Commit from Mozilla Verbatim by user matjaz@mozilla.com.: 301 of 301 strings translated (0 fuzzy).
[es] Updated Fireplace messages.po.
Merge pull request #424 from inma610/patch-10

[es] Updated Fireplace messages.po.