feat(theme): rename all color_palette instances (#1479)

BREAKING CHANGE: _color_palette.scss has been renamed to _color-palette.scss in mdc-theme

Author: bonniezhou

demos/checkbox.scss

@@ -18,7 +18,7 @@
 @import "../packages/mdc-button/mdc-button";
 @import "../packages/mdc-checkbox/mdc-checkbox";
 @import "../packages/mdc-form-field/mdc-form-field";
-@import "../packages/mdc-theme/color_palette";
+@import "../packages/mdc-theme/color-palette";
 @import "../packages/mdc-theme/mixins";
 @import "../packages/mdc-typography/mdc-typography";
 

demos/common.scss

@@ -18,7 +18,7 @@
 
 @import url("https://cdnjs.cloudflare.com/ajax/libs/normalize/7.0.0/normalize.min.css");
 
-@import "../packages/mdc-theme/color_palette";
+@import "../packages/mdc-theme/color-palette";
 
 // Base style
 $mdc-theme-primary: $material-color-grey-900 !default;

demos/fab.scss

@@ -15,7 +15,7 @@
 //
 
 @import "./common";
-@import "../packages/mdc-theme/color_palette";
+@import "../packages/mdc-theme/color-palette";
 @import "../packages/mdc-fab/mdc-fab";
 @import "../packages/mdc-fab/mixins";
 

demos/radio.scss

@@ -17,7 +17,7 @@
 @import "./common";
 @import "../packages/mdc-form-field/mdc-form-field";
 @import "../packages/mdc-radio/mdc-radio";
-@import "../packages/mdc-theme/color_palette";
+@import "../packages/mdc-theme/color-palette";
 @import "../packages/mdc-typography/mdc-typography";
 
 .mdc-radio.demo-radio--custom {

demos/switch.scss

@@ -16,7 +16,7 @@
 
 @import "./common";
 @import "../packages/mdc-switch/mdc-switch";
-@import "../packages/mdc-theme/color_palette";
+@import "../packages/mdc-theme/color-palette";
 @import "../packages/mdc-typography/mdc-typography";
 
 .demo-switch-wrapper {

demos/theme/index.scss

@@ -34,7 +34,7 @@
 @import "../../packages/mdc-switch/mdc-switch";
 @import "../../packages/mdc-tabs/mdc-tabs";
 @import "../../packages/mdc-textfield/mdc-textfield";
-@import "../../packages/mdc-theme/color_palette";
+@import "../../packages/mdc-theme/color-palette";
 @import "../../packages/mdc-theme/mixins";
 @import "../../packages/mdc-theme/variables";
 @import "../../packages/mdc-toolbar/variables";