Unit test to check if zeppelin handles ending comment.
issue addressed https://github.com/NFLabs/zeppelin/issues/151
Merge branch 'master' into handle_finish_with_comment
fix exception if row contains null value
update font and style :: update table in notebook [scrolable]
update pivot style
change name Pivot settings to settings
Merge pull request #167 from NFLabs/update/uiMaterial

update zeppelin ui
Change text highlight color so we can see the text
Merge pull request #170 from NFLabs/fix/TextHighlightColor

Change text highlight color so we can see the text
Support for hiding output.

This commit adds extra functionality in the notebook and at the
paragraph level to selectively hide/show the output.  This is useful
when the output is of little importance, for example, a bunch of imports
or declarations for which the Scala REPL output is redundant.
Fix javascript typo
Added paragraph button for show/hide output.  Removed this toggle from paragraph drop down
sort notes by name
Make sparkcontext stay alive when doing unittests
Fix bug that take wrong default interpreter
Merge pull request #166 from jburet/master

fix exception if row contains null value
Merge pull request #174 from NFLabs/fix_exception_row_contains_null

Fix broken unittest.
format number in table
Merge branch 'master' into handle_finish_with_comment
Add print("") in the always to make sure not finishing with comment