Fixes

* I forgot to change some KioskMode references
* I changed the header gradient a little bit as in some MacBook screens
produced a flickr
(https://www.google.es/search?client=safari&rls=en&q=macbook+pro+screen+
flicker+gradient)
Update disclaimer text
Merge pull request #213 from wopaum/patch-5

Update disclaimer text
Merge pull request #212 from pvieito/dev

Fixes
Merge branch 'master' of https://github.com/popcorn-time/popcorn-app into popcorn-time-master

Conflicts:
	language/pt-br.json