Webpack (#9391)

* webpack poc, this is not going to work for plugins, dam

* tech: webpack and systemjs for plugins starting to work

* tech: webpack and systemjs combo starting to work

* tech: webpack + karma tests progress

* tech: webpack + karma progress

* tech: working on tests

* tech: webpack

* tech: webpack + karma, all tests pass

* tech: webpack + karma, all tests pass

* tech: webpack all tests pass

* webpack: getting closer

* tech: webpack progress

* webpack: further build refinements

* webpack: ng annotate fixes

* webpack: optimized build fix

* tech: minor fix for elasticsearch

* tech: webpack + ace editor

* tech: restored lodash move mixin compatability

* tech: added enzyme react test and upgraded to react v16

* tech: package version fix

* tech: added testdata to built in bundle

* webpack: sass progress

* tech: prod & dev build is working for the sass

* tech: clean up unused grunt stuff and moved to scripts folder

* tech: added vendor and manifest chunks, updated readme and docs

* tech: webpack finishing touches

public/sass/components/_code_editor.scss

@@ -3,7 +3,6 @@
   min-width: 20rem;
   flex-grow: 1;
   margin-right: 0.25rem;
-  visibility: hidden;
 
   &.ace_editor {
     @include font-family-monospace();
@@ -13,10 +12,6 @@
     @include border-radius($input-border-radius-sm);
     border: $input-btn-border-width solid $input-border-color;
   }
-
-  &--theme-loaded {
-    visibility: visible;
-  }
 }
 
 .ace_editor.ace_autocomplete {

public/sass/components/_query_editor.scss

@@ -3,14 +3,7 @@
   color: $blue;
 }
 
-.query-segment-key {
-  //border-right: none;
-  //padding-right: 1px;
-}
-
 .query-segment-operator {
-  //padding-right: 1px;
-  //border-right: none;
   color: $orange;
 }