Added cmake rules for installing tools in bin dir

When performing the tutorials, I wanted to use the
tools/xmlGenerator/hostDomainGenerator.sh script.

In order to do that, i had to copy manually my scripts files
to the pfwInstalledDir/bin directory.
This patchs completes the install target by copying the needed files
Merge pull request #5 from kir0gawa/tutorial-changes

Added cmake rules for installing tools in bin dir