Fix GitHub issue #2, add spanish translation
Merge remote-tracking branch 'origin/development' into development

Conflicts:
	jamendoholoplayer/src/main/res/values/strings.xml
Open navigation drawer when the user clicks on the hamburger icon
Merge branch 'development'
Merge branch 'master' into androidL

Conflicts:
	jamendoholoplayer/src/main/java/es/oneoctopus/jamendoholoplayer/activities/PlayerActivity.java