Merge pull request #408 from effad/master

Thanks!
added strings from plugins to translation
Updated translations from pootle server
Merge branch 'master' of https://github.com/LibreCAD/LibreCAD
Updated translations after lupdate
improvement of project files for windows build with Qt 5.1
bug#430, disable page centering during scale change for printpreview
May still need to center for view
fixed not working hatch patterns brick.dxf and daemon.dxf
added error messages from hatch creation in command message log
fixed typo
list plugin: separated formatting and text to simplify translation
save unnamed blocks for dims
save/restore current layer
fixed several incorrect use of RS_Debug->print() method
fixed arc length calculation in list plugin
Merge branch 'master' of github.com:LibreCAD/LibreCAD
Updated translations from pootle server
Merge branch 'master' of https://github.com/LibreCAD/LibreCAD
Updated translations after lupdate
reorder of libdxfrw