Graph/scatterplot improvements (#893)

* many graph/scatterplot fixes: 722, 882, 758, 886

* fix e2e test breakage caused by graph transform work

* convert webgl point shaders to use flags rather than explicit point size

* remove unused packages from dependencies

* fix typo in regl prop name

* factor common code into util helper file

* legibility tweaks

client/package.json

@@ -34,23 +34,16 @@
     "@blueprintjs/core": "^3.15.1",
     "@blueprintjs/icons": "^3.8.0",
     "@blueprintjs/select": "^3.8.0",
-    "canvas-fit": "^1.5.0",
     "d3": "^4.10.0",
     "d3-scale-chromatic": "^1.3.0",
     "flatbuffers": "^1.10.2",
-    "font-color-contrast": "^1.0.3",
     "fuzzysort": "^1.1.4",
     "gl-mat4": "^1.1.4",
     "gl-matrix": "^3.0.0",
     "gl-vec3": "^1.1.3",
     "is-number": "^7.0.0",
-    "key-pressed": "0.0.1",
     "lodash": "^4.17.14",
     "memoize-one": "^5.0.4",
-    "mouse-position": "^2.0.1",
-    "mouse-pressed": "^1.0.0",
-    "orbit-camera": "^1.0.0",
-    "query-string": "^6.5.0",
     "react": "^16.8.6",
     "react-autocomplete": "^1.7.2",
     "react-dom": "^16.8.6",
@@ -59,9 +52,7 @@
     "react-redux": "^7.0.3",
     "redux": "^4.0.1",
     "redux-thunk": "^2.2.0",
-    "regl": "^1.3.11",
-    "scroll-speed": "^1.0.0",
-    "urijs": "^1.19.0"
+    "regl": "^1.3.11"
   },
   "devDependencies": {
     "@babel/core": "^7.4.4",