Merge branch 'hotfix/1.21.3' into stable
improve detecting clang for osx mavericks, update #1975
Merge branch 'master' of github.com:wayneeseguin/rvm
1.21.4
Merge branch 'master' into hotfix/1.21.4
Merge branch 'hotfix/1.21.4'
Repair typos changing bellow to below.
Merge pull request #2005 from tjchambers/master

Correct typo's in messages
preserve rvm_quiet_curl_flag so it is not cleaned when sourcing rvm before installing ruby along with rvm, fix #2006
Merge branch 'master' of github.com:wayneeseguin/rvm