Added ability to set column names of a value array (to column names of another VA with compatible #cols).

Also changed parse page to reflect guessed setup and to allow for single line (including header only) files to parse.
(just missing changes from my previous commit).
Merge branch 'master' of github.com:0xdata/h2o

Conflicts:
	src/main/java/water/api/Inspect.java
Minor tweak of setup parser setup compatibility check + excluded GBMTest which was failing for me after the last pull.