Merge pull request owncloud#2391 from owncloud/ignore_windows_reserve…

…d_characters

Ignore reserved words on Windows

Release 1.6.4

client release 1.7.0 beta4

Version 1.6.4 rc2

Version 1.6.4 rc1

Propagator: Fix typo in Win32-only code

OS X: write a qt.conf file

OS X: write a qt.conf file

Account: Fix cert save/restore from settings. owncloud#2160

Update ChangeLog