Merge remote-tracking branch 'origin/1.8'

diff --cc doc/installing.rst
Simple merge

diff --cc src/gui/folder.cpp
Simple merge

diff --cc src/gui/sharedialog.h
Simple merge

diff --cc src/libsync/propagatedownload.cpp
index f251da39bdb94adcccd6c1c1434523c0d06309af,6aa94eed6bc1804873e38c75b02c5d7672e74ca1..bd82f0e854bbedf8eb97ce95f20e1894440903c4
--- 1/src/libsync/propagatedownload.cpp
--- 2/src/libsync/propagatedownload.cpp
+++ b/src/libsync/propagatedownload.cpp
@@@ -337,8 -337,9 +337,9 @@@ void PropagateDownloadFileQNAM::start(
  
      quint64 startSize = _tmpFile.size();
      if (startSize > 0) {
 -        if (startSize == _item._size) {
 +        if (startSize == _item->_size) {
              qDebug() << "File is already complete, no need to download";
+             _tmpFile.close();
              downloadFinished();
              return;
          }
@@@ -489,8 -490,7 +490,7 @@@ QString makeConflictFileName(const QStr
  
  void PropagateDownloadFileQNAM::downloadFinished()
  {
- 
 -    QString fn = _propagator->getFilePath(_item._file);
 +    QString fn = _propagator->getFilePath(_item->_file);
  
      // In case of file name clash, report an error
      // This can happen if another parallel download saved a clashing file.