User can install Developer Studio from eclipse marketplace without acceptation terms of the licence agreements.

Step to reproduce:

1. Download, unpack and start Eclipse Neon 1
   http://www.eclipse.org/downloads/download.php?file=/technology/epp/downloads/release/neon/1a/eclipse-jee-neon-1a-linux-gtk-x86_64.tar.gz
2. Market -> Search form "Red Hat JBoss Developer Studio 10.2.0.GA" -> Install
3. The window "Review Licenses" looks like on screenshot
4. Notice that "I do not accept..." is selected but Finish button is enabled and user is able to install JBDS.

When I check "I accept" radio button and then switch back to "I do not accept" it start works correctly.

This problem doesn't occur when installing JBoss Tools.