[WiP] rename project from Caravel to Superset (#1576)

* Change in files

* Renamin files and folders

* cleaning up a single piece of lint

* Removing boat picture from docs

* add superset word mark

* Update rename note in docs

* Fixing images

* Pinning datatables

* Fixing issues with mapbox-gl

* Forgot to rename one file

* Linting

* v0.13.0

* adding pyyaml to dev-reqs

superset/assets/javascripts/SqlLab/TODO.md

@@ -0,0 +1,19 @@
+
+# TODO
+* Figure out how to organize the left panel, integrate Search
+* collapse sql beyond 10 lines
+* Security per-database (dropdown)
+* Get a to work
+
+## Cosmetic
+* Result set font is too big
+* lmiit/timer/buttons wrap
+* table label is transparent
+* SqlEditor buttons
+* use react-bootstrap-prompt for query title input
+* Make tabs look great
+
+# PROJECT
+* Write Runbook
+* Confirm backups
+* merge chef branch