added list of GSoC projects to NEWS
mention new project description
mention swig cleanup
Merge pull request #2583 from karlnapf/develop

put GSoC into NEWS
Remove VwExample dependency from StreamingFile (use forward declaration)
Merge pull request #2585 from tklein23/streamingfile_without_vwexample

Remove VwExample dependency from StreamingFile (use forward declaration)
Spell out fundamental ML in Parijat's project in the news file.
Fix CARTree warning.