- 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)

MFC r262528: Update LLDB snapshot to upstream r202189

Highlights include (upstream revs in parens):

- Improvements to the remote GDB protocol client
(r196610, r197579, r197857, r200072, and others)

- Bug fixes for big-endian targets
(r196808)

- Initial support for libdispatch (GCD) queues in the debuggee
(r197190)

- Add "step-avoid-libraries" setting
(r199943)

- IO subsystem improvements (including initial work on a curses gui)
(r200263)

- Support hardware watchpoints on FreeBSD
(r201706)

- Improved unwinding through hand-written assembly functions
(r201839)

- Handle DW_TAG_unspecified_parameters for variadic functions
(r202061)

- Fix Ctrl+C interrupting a running inferior process
(r202086, r202154)

- Various bug fixes for memory leaks, LLDB segfaults, the C++ demangler,
ELF core files, DWARF debug info, and others.

Sponsored by: DARPA, AFRL

Update LLDB snapshot to upstream r202189

Highlights include (upstream revs in parens):

- Improvements to the remote GDB protocol client
(r196610, r197579, r197857, r200072, and others)

- Bug fixes for big-endian targets
(r196808)

- Initial support for libdispatch (GCD) queues in the debuggee
(r197190)

- Add "step-avoid-libraries" setting
(r199943)

- IO subsystem improvements (including initial work on a curses gui)
(r200263)

- Support hardware watchpoints on FreeBSD
(r201706)

- Improved unwinding through hand-written assembly functions
(r201839)

- Handle DW_TAG_unspecified_parameters for variadic functions
(r202061)

- Fix Ctrl+C interrupting a running inferior process
(r202086, r202154)

- Various bug fixes for memory leaks, LLDB segfaults, the C++ demangler,
ELF core files, DWARF debug info, and others.

Sponsored by: DARPA, AFRL

Update LLDB snapshot to upstream r201577

Highlights include:

- Improvements to the remote GDB protocol client
(r196610, r197579, r197857, r200072)

- Bug fixes for big-endian targets
(r196808)

- Initial support for libdispatch (GCD) queues in the debuggee
(r197190)

- Add "step-avoid-libraries" setting
(r199943)

- IO subsystem improvements (including initial work on a curses gui)
(r200263)

- Various bug fixes for memory leaks, LLDB segfaults, the C++ demangler,
ELF core files, DWARF debug info, and others.

Sponsored by: DARPA, AFRL

Import lldb as of SVN r201577 (git 2bdc2f6)

(A number of files not required for the FreeBSD build have been removed.)

Sponsored by: DARPA, AFRL