Sanjay Dasgupta

[ZEPPELIN-3438] Passing Z variables to BigQuery

11

### What is this PR for? This PR enables the interpolation of ZeppelinContext objects into the paragraph text of BigQuery cells. It also introduces a new interpreter-level configuration parameter named...

[ZEPPELIN-3511] remove old button "Download Data as CSV/TSV"

25

### What is this PR for? This PR removes the legacy method (button and dropdown near the top left of each paragraph) for exporting the displayed data as a CSV...