add another helper method to ToolSpec Utils helper
use typed unmarshaller instead of untyped, see
http://stackoverflow.com/questions/819720/no-xmlrootelement-generated-by-jaxb
remove JAXB generated classes and regenerate using Maven JAXB plugin on
every build -> always current classes
rename unit test class accodring usual conventions
close input stream resources
fix minor Eclipse warnings
add a JUnit test for toolwrapper-data's ToolSpec helper Utils.
add a JUnit test for toolwrapper-data's ComponentsSpec helper Utils.