FactorGraph structure analysis
convert cauchy/chi2 kernel to use CSVFile
Fix a couple of doc typos in CSGObject
Merge pull request #1375 from iglesias/develop

Fix a couple of doc typos in CSGObject
Merge pull request #1369 from hushell/fg_dev

FactorGraph structure analysis
Fixes ambiguity that drives GCC 4.6.3 crazy
Fixed a few more GCC 4.6.3 errors with ambiguous ambiguity
convert some more kernel examples to CSVFile