Updated French translation

HW Key Actions for Recent Tasks key (hardware and virtual)
Merge pull request #177 from ch-vox/patch-56

Updated French translation
Merge pull request #178 from bgcngm/master

Updated Portuguese (PT) translation
Updated Japanese Translation (minor fix)
Merge pull request #180 from WedyDQ10/patch-8

Updated Japanese Translation (minor fix)
HW Key Actions: kill foreground app improved
- use kill ignore list
- show package name instead of process name if possible
RAM bar: don't take secondaryServerThreshold into account
Updated Slovak translations
Updated Czech translations
Version 2.6.3
Lockscreen battery arc
Shows battery status arc drawn around unlock ring handle
Updated Portuguese (PT) translation