New react

This is my last big PR. I think like you said, this is part of my problem.

In any case, this fixes #4 via https://github.com/joneshf/slamdata/commit/de1060fd1583e4445b240dbd277b10ad96351e18 and https://github.com/joneshf/slamdata/commit/d9d0a31a1e1be14afea4d2453578d997459a943b

fixes #33 via https://github.com/joneshf/slamdata/commit/de1060fd1583e4445b240dbd277b10ad96351e18 and https://github.com/joneshf/slamdata/commit/ae74fc9bb5c16a3c61db30e65e11c7c8368aa076

and fixes #62 via https://github.com/joneshf/slamdata/commit/d59c45b32e36ac1bb706a13fd46602a297292524

#5 is paritally implemented, but I ran into issue with `MOVE` not working from the js side. I could get a rest client to move it, but the browser wasn't having it. Must've been something silly on my part. I'll provide more detail in that issue.

#63 is also partially implemented since it's using just a standard button rather than the toolbar for regular notebooks.