fixes #2617: update dtext gem

Gemfile.lock

@@ -6,9 +6,9 @@ GIT
 
 GIT
   remote: https://github.com/r888888888/dtext_rb.git
-  revision: e59a57337ceebc001238319be63b73fd6b4b55c6
+  revision: 665178c369a3d15095b041b36053cdc1562ed49d
   specs:
-    dtext_rb (1.0.6)
+    dtext_rb (1.0.7)
       jeweler (~> 2.0)
       minitest (~> 5.8)
       rake-compiler (~> 0.9)
@@ -130,12 +130,12 @@ GEM
     ffi (1.9.10-x64-mingw32)
     gctools (0.2.3)
     git (1.3.0)
-    github_api (0.14.0)
+    github_api (0.14.3)
       addressable (~> 2.4.0)
       descendants_tracker (~> 0.0.4)
       faraday (~> 0.8, < 0.10)
       hashie (>= 3.4)
-      oauth2
+      oauth2 (~> 1.0.0)
     globalid (0.3.6)
       activesupport (>= 4.1.0)
     hashie (3.4.4)
@@ -160,7 +160,7 @@ GEM
     jmespath (1.0.2)
       multi_json (~> 1.0)
     json (1.8.3)
-    jwt (1.5.1)
+    jwt (1.5.4)
     kgio (2.9.3)
     libv8 (3.16.14.11)
     loofah (2.0.3)
@@ -208,12 +208,12 @@ GEM
     nokogumbo (1.2.0)
       nokogiri
     ntlm-http (0.1.1)
-    oauth2 (1.1.0)
+    oauth2 (1.0.0)
       faraday (>= 0.8, < 0.10)
-      jwt (~> 1.0, < 1.5.2)
+      jwt (~> 1.0)
       multi_json (~> 1.3)
       multi_xml (~> 0.5)
-      rack (>= 1.2, < 3)
+      rack (~> 1.2)
     pg (0.18.2)
     pg (0.18.2-x64-mingw32)
     pkg-config (1.1.7)