changed icons to light
French translation updated
Update strings.xml
Merge pull request #257 from BenoitBouvarel/development

French translation updated
Merge pull request #256 from kruks23/development

Update Spanish Translations
Update strings.xml
Merge branch 'development' of github.com:siacs/Conversations into development
uniformed colors. made colors a little material
contact tiles follow material colors as well
Merge pull request #245 from beriain/development

Update strings.xml and fix some strings
Show time in messages previous days