Merge pull request #693 from smarquespt/master

Portuguese update
Fixed compile issue from recent commit: 02ea92ad28
Fixed problem of setting listWidget's height from recent commit: f27137f8ae
RecoveryWidget: doesn't disable child item when root item is unchecked, just uncheck it!
Merge pull request #694 from srazi/master

Fixed some issues from recent commits
Updated German translation
Fixed qvalue in Accept-Language header

Using decimal point now.

Closes #696
Merge branch 'master' of github.com:QupZilla/qupzilla
Merge branch 'master' of https://github.com/QupZilla/qupzilla