This Apache Subversion update fixes the following security and non
security issues.

- Apache Subversion 1.8.11
- This release addresses two security issues: [boo#909935]
* CVE-2014-3580: mod_dav_svn DoS from invalid REPORT requests.
* CVE-2014-8108: mod_dav_svn DoS from use of invalid transaction
names.
- Client-side bugfixes:
* checkout/update: fix file externals failing to follow history
and subsequently silently failing
* patch: don't skip targets in valid --git difs
* diff: make property output in diffs stable
* diff: fix diff of local copied directory with props
* diff: fix changelist filter for repos-WC and WC-WC
* remove broken conflict resolver menu options that always error
out
* improve gpg-agent support
* fix crash in eclipse IDE with GNOME Keyring
* fix externals shadowing a versioned directory
* fix problems working on unix file systems that don't support
permissions
* upgrade: keep external registrations
* cleanup: iprove performance of recorded timestamp fixups
* translation updates for German
- Server-side bugfixes:
* disable revprop caching feature due to cache invalidation
problems
* skip generating uniquifiers if rep-sharing is not supported
* mod_dav_svn: reject requests with missing repository paths
* mod_dav_svn: reject requests with invalid virtual transaction
names
* mod_dav_svn: avoid unneeded memory growth in resource walking