cleanup js: remove unused function debug_msg
code cleanup: remove unused var
code cleanup: do not declare variable already declared as parameter
code cleanup: add semi-colons
test/js: use $rootScope.loggedUser instead of local loggedUser

- needed on more recent angular-mocks.js since local loggedUser and $rootScope.loggedUser are not the same object anymore
- anyway, it's cleaner to use $rootScope.loggedUser
add ant task "ant download-webjars" to download jquery/angular/... and put them in src/main/webapp/libs/
cleanup pom.xml: add xmlns (to please eclipse)
cleanup: remove dead code
html: replace & with &amp; to have valid html