* .travis.yml: Only osx build is enabled. linux builds is random failure

and test results of major linux is covered by rubyci.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47684 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

.travis.yml

@@ -31,7 +31,7 @@ os:
 
 matrix:
   allow_failures:
-    - os: osx
+    - os: linux
   exclude:
     - os: osx
       compiler: gcc

ChangeLog

@@ -1,3 +1,8 @@
+Mon Sep 22 18:21:35 2014  SHIBATA Hiroshi  <shibata.hiroshi@gmail.com>
+
+	* .travis.yml: Only osx build is enabled. linux builds is random failure
+	  and test results of major linux is covered by rubyci.
+
 Mon Sep 22 12:10:29 2014  Tanaka Akira  <akr@fsij.org>
 
 	* test/ruby/test_time_tz.rb: Fix test error with tzdata-2014g.