- Copy stable/10@296371 to releng/10.3 in preparation for 10.3-RC1
builds.
- Update newvers.sh to reflect RC1.
- Update __FreeBSD_version to reflect 10.3.
- Update default pkg(8) configuration to use the quarterly branch.

Approved by: re (implicit)

Copy head (r256279) to stable/10 as part of the 10.0-RELEASE cycle.

Approved by: re (implicit)
Sponsored by: The FreeBSD Foundation

Improves and enhances using the "installPackages=" variable.
Adds "pkgExt=" variable to set if pkgs are .tbz or .txz or other.
Auto-detects if packages are PKGNG or old PKG format.
Auto-bootstrap of PKGNG for the new installed environment.
Fixes issues with installing packages from local media, such as DVD/USB.

Switch to using a space-delimiter for installPackages, since a number
of packages use a "," in their version string.

Fix pc-sysinstall to ignore install scripts, and not hang on
user interaction prompts when installing pkgs.

Add pkg2ng command as apart of pkgng bootstrap process.

Obtained from: PC-BSD

Fix a syntax error in a little-used function.
Replace expr with $(())
Replace grep > /dev/null with grep -q
Replace "$?" = "0" with $? -eq 0 in tests
Consolidate export statements with variable assignment
Replace tests for ! -z with -n

Approved by: kib (mentor)

pc-sysinstall(8) patch that allows images to be written to disks

This patch creates the "image" directive for the pc-sysinstall config
file. This allows disks to be configured with an image instead of
partitioning.

PR: 150137
Submitted by: John Hixson

Indent things consistently

PR: 149926
Submitted by: John Hixson

Some cleanup, changed some echo's to echo_log, check for PROGDIR so
that different PROGDIR's can be set.

PR: 148806
Submitted by: John Hixson

Updates to pc-sysinstall that allow FTP installation of FreeBSD.

PR: 148661
Submitted by: John Hixson

Various updates to support new pc-sysinstall directive
"installPackages" that will install packages and all package
dependencies.

PR: 148606
Submitted by: John Hixon

Add support for packages.

PR: 148584
Submitted by: John Hixon