- 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 r290905,r290922:

r290905:

Integrate acct(2) testcase in as tests/sys/kern/acct/acct_test

The :encode_tv_random_million testcase fails the epsilon tests a few thousand
times out of one million, so expect the testcase to fail

Submitted by: keramida
Sponsored by: EMC / Isilon Storage Division

r290922:

Remove directory made obsolete by r290905

X-MFC note: stable/10 only
Sponsored by: EMC / Isilon Storage Division

Integrate acct(2) testcase in as tests/sys/kern/acct/acct_test

The :encode_tv_random_million testcase fails the epsilon tests a few thousand
times out of one million, so expect the testcase to fail

MFC after: 1 week
Submitted by: keramida
Sponsored by: EMC / Isilon Storage Division

Integrate kern/kern_acct.c testcase in as tests/sys/kern/acct/acct_test

The :encode_tv_random_million testcase fails the epsilon tests few thousand
times out of one million, so expect the testcase to fail

MFC after: 1 week
Submitted by: keramida
Sponsored by: EMC / Isilon Storage Division