Rm `unset rvm_configure_env` for libyaml.

mpapis asked me to remove this because it was
unsetting CFLAGS & LDFLAGS, which I set in my
~/.rvmrc. This is for installing Ruby with new
Xcode without installing Command Line Tools.
Merge pull request #1218 from mattdipasquale/master

Rm `unset rvm_configure_env` for libyaml.
Update config/md5 for Ruby 1.9.3-p286 release
Update config/db for Ruby 1.9.3-p286 patchlevel
Update config/known for Ruby 1.9.3-p286 release
on FreeBSD, stat behaves as on OpenBSD.
Falcon patch still applies cleanly against 1.9.3-p286. Tested locally. Passed cleanly.
The rvm group needs to be created before use.
Modified config/db L7 (ruby_patchlevel) from 194 to 286
@mpapis request removal of the railsexpress patchset for p289 as skaes tests that separately. This removes that patch tree for 1.9.3-p286
Merge pull request #1222 from ddd/master

Updated RVM to recognize Ruby 1.9.3-p286 release
Merge pull request #1225 from Absolight/group-creation-fix

The rvm group needs to be created before use.
Merge pull request #1223 from Absolight/freebsd-fixes

on FreeBSD, stat behaves as on OpenBSD.
update plan for next releases
Merge branch 'master' of github.com:wayneeseguin/rvm
1.15.14 done
1.16.12
Merge pull request #1213 from lemoinem/fix/fresh-install-does-not-enforce-right-permissions

installer did not create files with right permissions in case of...
Merge pull request #1222 from ddd/master

Updated RVM to recognize Ruby 1.9.3-p286 release
Merge pull request #1225 from Absolight/group-creation-fix

The rvm group needs to be created before use.