Checkmk Werk 10050: Fix GUI incompatiblities with IE11

ID: 10050 Title: Fix GUI incompatiblities with IE11 Component: Multisite Level: 1 Class: Bug fix Version: 1.7.0i1 The whole javascript functionality was broken with IE11 in previous 1.6.0 releases. We have now restored the most functionality for IE11. Some advanced or rarely used features might still not work, please let us know.