Merge r1513156 from trunk:

 * r1513156
   Fix crash when updating in libsvn_wc/update_editor.c, window_handler().
   Justification:
     Multiple crash reports:
     http://svn.haxx.se/dev/archive-2013-06/0385.shtml
   Votes:
     +1: ivan, philip, rhuijben


git-svn-id: https://svn.apache.org/repos/asf/subversion/branches/1.8.x@1514148 13f79535-47bb-0310-9956-ffa450edef68
Merge r1508438 from trunk:

 * r1508438
   Try harder to pass an existing path to sleep for timestamps
   Justification:
     Performance regression from 1.6, reported by user.
   Votes:
     +1: philip, rhuijben, stefan2


git-svn-id: https://svn.apache.org/repos/asf/subversion/branches/1.8.x@1514149 13f79535-47bb-0310-9956-ffa450edef68
Merge the r1506966 group from trunk, with --accept=mc:

 * r1506966, r1511603
   Don't do double UTF8-to-native conversion in svnadmin notifications.
   Justification:
     Double conversion can produce garbled output in non-UTF8 environments.
   Notes:
     Reverts r1485650 on trunk, which was merged to 1.8.x in r1486284.
     Merge with --accept mc to resolve conflict.
   Votes:
     +1: philip, danielsh, stefan2


git-svn-id: https://svn.apache.org/repos/asf/subversion/branches/1.8.x@1514150 13f79535-47bb-0310-9956-ffa450edef68
Merge the r1503010 group from trunk:

 * r1503010, r1503058, r1503061, r1503211
   svn_utf_*: Describe APR errors as coming from APR.
   Justification:
     It is not obvious what needs to be recompiled to resolve "This function
     has not been implemented on this platform".  We do the same for SQLite.
     .
     The current code will not enter the error path in the ENOTIMPL case; that
     is being discussed on dev@ still.  The "Justification" field uses that
     error code is used as an example only.
   Votes:
     +1: danielsh, rhuijben, stefan2


git-svn-id: https://svn.apache.org/repos/asf/subversion/branches/1.8.x@1514151 13f79535-47bb-0310-9956-ffa450edef68
Merge the r1504192 group from trunk:

 * r1504192, r1504505
   Make 'svn diff' continue on missing and obstructing files.
   This resolves issue 4396
   Justification:
     Regression since 1.7.
   Votes:
     +1: philip, rhuijben, stefan2


git-svn-id: https://svn.apache.org/repos/asf/subversion/branches/1.8.x@1514152 13f79535-47bb-0310-9956-ffa450edef68