Replaced Direct Links with Modals in Mobile.

Also adds direct APK for Android.
Fixed typo in English translation file.
Fixed typo in English translation file.
Merge pull request #4 from dogecoin/gh-pages

Merge recent commits
Update de.json with changes from b0fb9e1
Merge pull request #66 from karottenbaum/gh-pages

Updates for de.json from commit b0fb9e1