Fix beta builds

The extension's beta name strings were missing.

Change-Id: I0245671c627aced507a9c6460bd6b852aaf1ebaa
diff --git a/src/_locales/de/messages.json b/src/_locales/de/messages.json
index 59fe3be..b45e357 100644
--- a/src/_locales/de/messages.json
+++ b/src/_locales/de/messages.json
@@ -53,6 +53,9 @@
    "name": {

       "message": "Bildschirmerfassung"

    },

+   "name_beta": {

+      "message": "Bildschirmerfassung (beta)"

+   },

    "ok": {

       "message": "OK"

    },

diff --git a/src/_locales/en/messages.json b/src/_locales/en/messages.json
index e33b7e0..d5e2722 100644
--- a/src/_locales/en/messages.json
+++ b/src/_locales/en/messages.json
@@ -1,5 +1,6 @@
 {

   "name": {"message": "Screen Capture"},

+  "name_beta": {"message": "Screen Capture (beta)"},

   "description": {"message": "Capture visible content of a tab, a region of a web page, or the whole page as a PNG image."},

   "default_title": {"message": "Screen Capture"},

   "capture_screen": {"message": "Capture Screen Region"},

diff --git a/src/_locales/fr/messages.json b/src/_locales/fr/messages.json
index 270539f..6d4fa18 100644
--- a/src/_locales/fr/messages.json
+++ b/src/_locales/fr/messages.json
@@ -56,6 +56,9 @@
    "name": {

       "message": "Capture d'\u00e9cran"

    },

+   "name_beta": {

+      "message": "Capture d'\u00e9cran (beta)"

+   },

    "ok": {

       "message": "OK"

    },

diff --git a/src/_locales/pl/messages.json b/src/_locales/pl/messages.json
index da4f205..c6e16e9 100644
--- a/src/_locales/pl/messages.json
+++ b/src/_locales/pl/messages.json
@@ -56,6 +56,9 @@
    "name": {

       "message": "Screen Capture"

    },

+   "name_beta": {

+      "message": "Screen Capture (beta)"

+   },

    "ok": {

       "message": "OK"

    },

diff --git a/src/_locales/ru/messages.json b/src/_locales/ru/messages.json
index f27b5b8..85d5ba7 100644
--- a/src/_locales/ru/messages.json
+++ b/src/_locales/ru/messages.json
@@ -107,6 +107,9 @@
    "name": {

       "message": "Захват экрана"

    },

+   "name_beta": {

+      "message": "Захват экрана (beta)"

+   },

    "ok": {

       "message": "OK"

    },

diff --git a/src/_locales/zh_CN/messages.json b/src/_locales/zh_CN/messages.json
index fbb6619..438f2a0 100644
--- a/src/_locales/zh_CN/messages.json
+++ b/src/_locales/zh_CN/messages.json
@@ -1,5 +1,6 @@
 {

   "name": {"message": "网页截图"},

+  "name_beta": {"message": "网页截图 (beta)"},

   "description": {"message": "截取网页为图片,支持窗口截图,区域截图和整个网页截图三种方式。支持水平和垂直翻页截取超大网页,新版引进自动截图保存功能。"},

   "default_title": {"message": "网页截图"},

   "capture_screen": {"message": "屏幕区域截图"},