music add-on entries in home menu would open empty window when no local music is scanned to library
Fix for several navigation issues (thanks ossman)

https://github.com/jeroenpardon/skin.refocus/pull/24
added Spanish translation (thanks Seque)
updated build scripts
added Spanish translation (thanks Seque)
updated French translation (thanks Frisson)
new build script (thanks farfromrefug!)

a new skin build script that can be run from anywhere and doesn't need the texture packer to be in the skin directory

script by https://github.com/farfromrefug
Merge branch 'master' of https://github.com/jeroenpardon/skin.refocus

Conflicts:
	720p/SkinSettings.xml
	720p/custom_HomeMenuSettings.xml
	Build.sh