User cannot use Platform documentation shortcut once he use different language than English to install EAP.

Reproduce:
- run default installation using German (shortcuts are installed by default)
- click on Plattform-Dokumentation shortcut

Actual:
Error dialouge 'Could not launch Plattform-Dokumentation' will appear.
There is a wrong Path set in Plattform-Dokumentation desktop file

Path=/home/pkremens/EnterprisePlatform-5.3.0/jboss-eap-5.3/Uninstaller

Expected:
JBoss documentation site is launched

Path=/home/pkremens/EnterprisePlatform-5.3.0/Uninstaller

Info:
- tested on RHEL 6.4