Version 1.2.1.3 released

* Fixed problems with new documents
* Bug #212 XSLT insert elements
* Bug #211 Tag-completion remains on-top when XML-Copy-Editor looses focus
* Keep the original format when associating a DTD/schema/XSL
+ Added a Linux manual
- Stopped installing copyright notices of components that are not installed by us
+ Feature #169 Close current tab with Ctrl+W