title: tabris - rap-1.5.target runtime load issue
body: <p>Whenever I try to use this rap-1.5.target file which has <a href="http://developer.eclipsesource.com/technology/tabris/downloads/0.6" rel="nofollow">http://developer.eclipsesource.com/technology/tabris/downloads/0.6</a> as a repository location I get the following errors in Eclipse. 
  No repository found containing: org.eclipse.update.feature, com.eclipsesource.tabris.feature,0.6.2.v20120801-0412
  No repository found containing: osgi.bundle, com.eclipsesource.tabris,0.6.2.v20120801-0412
  No repository found containing: org.eclipse.update.feature, org.eclipsesource.tabris.source,0.6.2.v20120801-0412
  session context was:(profile=TARGET_DEFINITION:resource/com.eclipsesource.tabris.demos/rap-1.5.target, phase=org.eclipse.equiniox.internal.p2.engibe.phases.Collect, operand=,action=).</p>