Merge branch 'master' of github.com:storybooks/storybook-ui

# Conflicts:
#	dist/modules/api/index.js
#	dist/modules/ui/components/layout/index.js
#	dist/modules/ui/components/left_panel/header.js
#	packages/storybook-ui/src/modules/ui/components/shortcuts_help.js
#	yarn.lock

packages/storybook-ui/src/modules/ui/components/layout/index.js

@@ -67,6 +67,23 @@ const onDragEnd = function() {
   document.body.classList.remove('dragging');
 };
 
+const saveHeightPanel = h => {
+  try {
+    localStorage.setItem('splitPos', h);
+    return true;
+  } catch (e) {
+    return false;
+  }
+};
+
+const getSavedHeight = h => {
+  try {
+    return localStorage.getItem('splitPos');
+  } catch (e) {
+    return h;
+  }
+};
+
 class Layout extends React.Component {
   constructor(props) {
     super(props);
@@ -129,6 +146,9 @@ class Layout extends React.Component {
       downPanelDefaultSize = downPanelInRight ? 400 : 200;
     }
 
+    // Get the value from localStorage or user downPanelDefaultSize
+    downPanelDefaultSize = getSavedHeight(downPanelDefaultSize);
+
     return (
       <div style={rootStyle}>
         <SplitPane
@@ -152,7 +172,10 @@ class Layout extends React.Component {
             resizerChildren={downPanelInRight ? vsplit : hsplit}
             onDragStarted={onDragStart}
             onDragFinished={onDragEnd}
-            onChange={this.onResize}
+            onChange={size => {
+              saveHeightPanel(size);
+              this.onResize();
+            }}
           >
             <div style={contentPanelStyle}>
               <div

yarn.lock

@@ -423,8 +423,8 @@ escope@^3.6.0:
     estraverse "^4.1.1"
 
 eslint-config-airbnb-base@^11.1.2:
-  version "11.1.2"
-  resolved "https://registry.yarnpkg.com/eslint-config-airbnb-base/-/eslint-config-airbnb-base-11.1.2.tgz#259209a7678bf693e31cbe8f953f206b6aa7ccc3"
+  version "11.1.3"
+  resolved "https://registry.yarnpkg.com/eslint-config-airbnb-base/-/eslint-config-airbnb-base-11.1.3.tgz#0e8db71514fa36b977fbcf977c01edcf863e0cf0"
 
 eslint-import-resolver-node@^0.2.0:
   version "0.2.3"
@@ -844,8 +844,8 @@ js-tokens@^3.0.0:
   resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-3.0.1.tgz#08e9f132484a2c45a30907e9dc4d5567b7f114d7"
 
 js-yaml@^3.5.1:
-  version "3.8.2"
-  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.8.2.tgz#02d3e2c0f6beab20248d412c352203827d786721"
+  version "3.8.3"
+  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.8.3.tgz#33a05ec481c850c8875929166fe1beb61c728766"
   dependencies:
     argparse "^1.0.7"
     esprima "^3.1.1"