1.17.4
update ubunutu 1.9.3 with dbm support for travis, fix #1404
Merge branch 'hotfix/1.17.4' into stable
1.17.5
updated ubuntu 12.04 MRI images with added ext/dbm for @travis-ci, fix #1404
Merge branch 'hotfix/1.17.5' into stable
1.17.6
Merge pull request #1409 from krazylegz/patch-1

Update config/known
ruby-1.9.3-p362
Merge branch 'hotfix/1.17.6' into stable
1.17.7
jruby-1.7.2
Merge branch 'hotfix/1.17.7' into stable
merging vendor rvm stable 1.17.7

Merge commit '43eee27cc67b196bfdc6387b2e28561a3537ff25'