added additional MaterialIcon images

Source/Icons.xcassets/ic_close_white.imageset/Contents.json

+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "filename" : "ic_close_white.png",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "universal",
+      "filename" : "ic_close_white@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "universal",
+      "filename" : "ic_close_white@3x.png",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}
\ No newline at end of file

Source/Icons.xcassets/ic_inbox_blue_grey_darken_4.imageset/Contents.json

+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "filename" : "ic_inbox_blue_grey_darken_4.png",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "universal",
+      "filename" : "ic_inbox_blue_grey_darken_4@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "universal",
+      "filename" : "ic_inbox_blue_grey_darken_4@3x.png",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}
\ No newline at end of file

Source/Icons.xcassets/ic_inbox_white.imageset/Contents.json

+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "filename" : "ic_inbox_white.png",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "universal",
+      "filename" : "ic_inbox_white@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "universal",
+      "filename" : "ic_inbox_white@3x.png",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}
\ No newline at end of file

Source/Icons.xcassets/ic_inbox_white_48pt.imageset/Contents.json

+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "filename" : "ic_inbox_white_48pt.png",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "universal",
+      "filename" : "ic_inbox_white_48pt@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "universal",
+      "filename" : "ic_inbox_white_48pt@3x.png",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}
\ No newline at end of file

Source/MaterialIcon.swift

@@ -108,6 +108,13 @@ public struct MaterialIcon {
 		}
 		
 		/**
+			:name:	inbox
+		*/
+		public static func inbox(size: MaterialIconSize = .Normal) -> UIImage? {
+			return MaterialIcon.iconWithSize("ic_inbox_white", size: size)
+		}
+		
+		/**
 			:name:	list
 		*/
 		public static func list(size: MaterialIconSize = .Normal) -> UIImage? {
@@ -224,6 +231,13 @@ public struct MaterialIcon {
 			}
 			
 			/**
+				:name:	inbox
+			*/
+			public static func inbox(size: MaterialIconSize = .Normal) -> UIImage? {
+				return MaterialIcon.iconWithSize("ic_inbox_blue_grey_darken_4", size: size)
+			}
+			
+			/**
 				:name:	search
 			*/
 			public static func search(size: MaterialIconSize = .Normal) -> UIImage? {