Bug 970147 - fixes collapse in IE (Bootstrap bug)
Letting environment unprotected is ok, it matches openshift.com.

https://lists.openshift.redhat.com/openshift-archives/dev/2013-May/msg00039.html
Merge pull request #2788 from adelton/unprotected-environment

Merged by openshift-bot
Merge pull request #2787 from fabianofranz/master

Bug 970147 - fixes collapse in IE (Bootstrap bug)