update README: bump ubuntu to 14.04 LTS, update package dependencies
upgrade kernel to v3.16.1
Merge branch 'PeterDaveHello-kernel_upgrade'
Merge branch 'update_readme' of https://github.com/PeterDaveHello/foldingathome into PeterDaveHello-update_readme
XZ utils is required by tar
Merge branch 'PeterDaveHello-update_readme'
Merge branch 'master' into arch_tuning
upgrade kernel to v3.16.2
Merge branch 'kernel_upgrade' of https://github.com/PeterDaveHello/foldingathome into PeterDaveHello-kernel_upgrade
Merge branch 'PeterDaveHello-kernel_upgrade'
Updated Glibc to 2.20
Merge branch 'master' into arch_tuning