respect XDG_CONFIG_HOME for getting user config dir.

Under linux the XDG Base Directory Specification define different
enviroment variables where to store what.
Added Mac-specific settings dialog that looks more native
remove superfluous tooltip from server address input field
Log: Don't override level for csync

The level shall be set from Folder or owncloudCmd only.
Merge remote-tracking branch 'respect-XDG_CONFIG_HOME' into 1.5
[tx-robot] updated from transifex
[tx-robot] updated from transifex
Fix build on FreeBSD.

We use libinotify, so the linux folderwatcher works.

Based on a patch by:	Tobias Berner
And make it runnable on FreeBSD too.

Patch by:	Tobias Berner
Merge pull request #1611 from Absolight/freebsd-port

Freebsd port - Thanks a lot!
Don't show ocsync version, it's part of mirall now
NSIS: depend on Qt5-based installations
Add translations when using Qt5 as well
-fPIC is implied on Windows
Update owncloudcmd docs

Fixes #1587
Merge branch 'master' of github.com:shadone/mirall into shadone-master

Conflicts:
	cmake/modules/QtVersionAbstraction.cmake
	src/CMakeLists.txt
	src/mirall/owncloudgui.cpp
Fix typo
Merge pull request #1446 from owncloud/remove-tooltip

remove superfluous tooltip from server address input field
Don't moc twice
Qt5: QtLocation is not needed