fix #28

multi-image-selector/src/main/res/values-zh/strings.xml

 <resources>
-    <string name="app_name">多图选择器</string>
     <string name="folder_all">所有照片</string>
     <string name="preview">预览</string>
     <string name="msg_no_camera">没有系统相机</string>

multi-image-selector/src/main/res/values/strings.xml

 <resources>
-    <string name="app_name">multi-image-selector</string>
     <string name="folder_all">All Images</string>
     <string name="preview">Preview</string>
     <string name="msg_no_camera">No system camera found</string>