Update about version to 3.15.10-bone8
Merge branch '3.15.10-bone8'

Conflicts:
	build_kernel.sh
	patch.sh
	patches/beaglebone
	patches/defconfig
	patches/packaging/0001-packaging-sync-with-mainline.patch
	patches/ref_omap2plus_defconfig
	patches/saucy/0001-saucy-disable-Werror-pointer-sign.patch
	repo_maintenance/push-bb.org.sh
	repo_maintenance/push-n-tag-release.sh
	scripts/gcc.sh
	tools/config-checker.sh
	tools/install_kernel.sh
	version.sh