subversion was updated to 1.7.8 [bnc#794676],
fixing bugs:
+ Client- and server-side bugfixes:
* Fix typos in pt_BR, es and zh_TW translations
+ Client-side bugfixes:
* add missing attributes to "svn log -v --xml" output
* fix svn patch ignoring hunks after no trailing newline
* fix hang with ra_serf during error processing
* ignore file externals with mergeinfo when merging
* fix SEGV with "svnmucc cp rev arg" during argv processing
* fix conflict handling on symlinks
+ Server-side bugfixes:
* properly detect threading availability
* fix "svnadmin load --bypass-prop-validation"
* fix parsing of [groupsfoo] sections in authz file
* add Vary: header to GET responses to improve cacheability
* fix fs_fs to cleanup after failed rep transmission
* fix mod_dav_svn to complain about revisions > HEAD
+ Developer-visible changes:
* fix incorrect status returned by 1.6 API
* fix compilation with g++ 4.7