_**Amusing castaways-on-remote-island flick ruined by too much foul non-humor**_ The office team at a label design agency is sent on a retreat to a remote tropical island in order to build character and learn teamwork. When the ex-military motivational leader (Jean-Claude Van Damme) goes missing the urbanites find themselves reverting to a “Lord of the Flies” situation. Adam Brody, Eric Edelstein, Megan Boone and Kristen Schaal play the protagonists while Rob Huebel appears as the antagonist. The tone of “Welcome to the Jungle” (2013) is similar to “The 40-Year-Old Virgin” (2005), just…