Merge branch 'hotfix/1.18.14' into stable
Merge pull request #1622 from mattconnolly/master

Update requirements for OpenIndiana to check for packages
make the readonly the default, fix #1612
improve compiler detection, update #1613
Update cleanup help to include gemsets and links
Merge pull request #1625 from remear/master

Updated cleanup help
clean openindiana requirements, update #1622
Merge branch 'master' of github.com:wayneeseguin/rvm
autoselect clang for ruby-2 - fix compilation on OSX, update #1613
1.18.15
Merge branch 'hotfix/1.18.15' into stable
Merge branch 'hotfix/1.18.15'

Conflicts:
	scripts/functions/build
	scripts/functions/manage/ruby
do not update brew in read only mode, fix #1630
improved GC behavior for 1.9.3-p392 railsexpress patches.
Merge pull request #1643 from skaes/ruby-193-p392-railsexpress-bugfixes

improved GC behavior for 1.9.3-p392 railsexpress patches.
prevent loading function when in posix mode, closes #1648
Merge branch 'master' of github.com:wayneeseguin/rvm
fix posix, update #1648, update 4071156c483675569ead89f615298b5b3157e020
fix __rvm_select so we can __rvm_use with param, update #1647
remove scripts/functions/state as it is unused