adding localecfg
locale hardcoded to en_US until local globalstorage is available
run pep8 on bootloader main.py, plain switch from subprocess to chroot_call fails for gummiboot call
Add localecfg & bootloader to settings.conf
Merge pull request #151 from calamares/localecfg

adding localecfg
Merge pull request #39 from calamares/master

Merge master