Bug 515644: Provide ETag support for config.cgi Patch by Frank Becker <Frank@Frank-Becker.de> r=mkanat, a=mkanat
Bug 515644: Provide ETag support for config.cgi
Patch by Frank Becker <Frank@Frank-Becker.de> r=mkanat, a=mkanat

oyang/bugzilla,talatdayyan/bugzilla,ikpcdoctor/git-clone---branch-release-5.0-stable-https-git.mozilla.org-bugzilla-bugzilla-,dylanwh/bugzilla,GNOME/bugzilla-gnome-org-upstream,talatdayyan/bugzilla,edmorley/bugzilla,GNOME/bugzilla-gnome-org-upstream,dylanwh/bugzilla,dylanwh/bugzilla,ikpcdoctor/git-clone---branch-release-5.0-stable-https-git.mozilla.org-bugzilla-bugzilla-,ikpcdoctor/git-clone---branch-release-5.0-stable-https-git.mozilla.org-bugzilla-bugzilla-,dklawren/bugzilla,dklawren/bugzilla,bugzilla/bugzilla,bugzilla/bugzilla,dklawren/bugzilla,GNOME/bugzilla-gnome-org-upstream,bugzilla/bugzilla,dylanwh/bugzilla,oyang/bugzilla,dklawren/bugzilla,ikpcdoctor/git-clone---branch-release-5.0-stable-https-git.mozilla.org-bugzilla-bugzilla-,talatdayyan/bugzilla,dklawren/bugzilla,talatdayyan/bugzilla,oyang/bugzilla,edmorley/bugzilla,dylanwh/bugzilla,edmorley/bugzilla,GNOME/bugzilla-gnome-org-upstream,oyang/bugzilla,bugzilla/bugzilla,GNOME/bugzilla-gnome-org-upstream,oyang/bugzilla,edmorley/bugzilla,edmorley/bugzilla,talatdayyan/bugzilla,ikpcdoctor/git-clone---branch-release-5.0-stable-https-git.mozilla.org-bugzilla-bugzilla-