OCSP-Workaround

Quick OCSP-Error Workaround for all Firefox Versions over 31+:

open a new tab, enter: about:config
Confirm that you wanna made changes.

In the search field on top of the site, enter security.ssl.enable_ocsp_stapling
Doubleclick on it(you see that again under the search field, that i do mean), to change it to "false", what you see on the right.

Go back to any site you want, it should work now(after refresh)(tested with firefox 37.0) :-)