expand the test to have 1,2,3 data lines in the extra header file and compare total num_rows expected correctly.
(test did have 0 data line case). checks that header is parsed correctly by using ignore = col name in rf
svm light bug fixes.
Merge branch 'master' of github.com:0xdata/h2o
commented out left out dog code which cause aoib. updated # detected columns whom in parse page.
Bugfix for svmlight support for fluid vets. declare Newchunk [] _nvs field on FvecDataOut as transient.