Works with new userconfig truststore
Squashed 'core/' changes from fc185a0..ad3b65b

ad3b65b WebDAV SSL without AppContext and with user truststore in userconfig, works
2bbf813 Merge branch 'develop' into feature/webdavssl2
a49af43 Implement log file rotation 4*25MB; relates to #116

git-subtree-dir: core
git-subtree-split: ad3b65b5b94eae54a7321a54adda7faae3a4852d
Merge commit '0820702c37a4c90ca9f585a6e036e462a5b5d949' into feature/webdavssl2