spl-utils-git: Uncomment hostid install
Add missing makedepends
spl-git: Uncomment lib mv to usr
zfs-utils-git: Update bash completion

Pulled from the gentoo package, thanks guys!
zfs-utils-git: Remove systemd service file

These packages will now use the upstream systemd service files.
zfs-utils-git: Change spl dependency to spl-git
zfs-utils-git: Uncomment install section
spl-git: Remove comma from makedepends
zfs-git: Fix dependencies
zfs-git: Uncomment install section
build.sh: Add support for git builds
build.sh: Add AZB_CLEANUP argument checks
build.sh: Add build modes for git and lts
build.sh: Add new update pkgbuild functions
build.sh: Add sed replacements for zfs-git dependencies