TextBox: add option to change title
Use new title option from TextBox when displaying packages to upgrade
Streamline userbouquet parsing coding
Add option to use arrow keys to change the volume

This might be helpfull when using mini remotes that do not have volume
buttons.
Solve some stupid typos in the setup.xml

Thanks DeBeek for the notification and Xqq from me....
Merge branch 'master' of git://git.code.sf.net/p/openpli/enigma2 into 4.2-development