temporarily removed jruby 1. and 9.0 rvm from travis - waiting travis…

… to fix their rvms or suggest some work around (https://travis-ci.community/t/jruby-1-7-and-9-0-fail/4703)

.travis.yml

@@ -43,10 +43,10 @@ matrix:
         - RUN_CODECOV=true
 
     # jruby
-    - rvm: jruby-1.7
-      gemfile: gemfiles/ruby-1.9
-    - rvm: jruby-9.0
-      gemfile: gemfiles/ruby-2.0
+#    - rvm: jruby-1.7
+#      gemfile: gemfiles/ruby-1.9
+#    - rvm: jruby-9.0
+#      gemfile: gemfiles/ruby-2.0
     - rvm: jruby-9.1
     - rvm: jruby-9.2