bugfix: pin net-ssh 2.9 in gem file, since bundler is not selecting the right version

.travis.yml

@@ -17,7 +17,7 @@ before_install:
 matrix:
   include:
   - rvm: 1.9.3
-    gemfile: Gemfile
+    gemfile: Gemfile.193
   - rvm: 2.0
     gemfile: Gemfile
   - rvm: 2.2

Gemfile.193

@@ -0,0 +1,39 @@
+# encoding: utf-8
+source 'https://rubygems.org'
+gemspec
+
+# pin dependency for Ruby 1.9.3 since bundler is not
+# detecting that net-ssh 3 does not work with 1.9.3
+gem 'net-ssh', '~> 2.9'
+
+group :test do
+  gem 'bundler', '~> 1.5'
+  gem 'minitest', '~> 5.5'
+  gem 'rake', '~> 10'
+  gem 'rubocop', '~> 0.36.0'
+  gem 'simplecov', '~> 0.10'
+  gem 'concurrent-ruby', '~> 0.9'
+end
+
+group :integration do
+  gem 'berkshelf', '~> 4.0'
+  gem 'test-kitchen'
+  gem 'kitchen-vagrant'
+  gem 'kitchen-inspec'
+  gem 'kitchen-ec2'
+end
+
+group :tools do
+  gem 'pry', '~> 0.10'
+  gem 'license_finder'
+  gem 'github_changelog_generator', '~> 1'
+end
+
+# gems for Maintainers.md generation
+group :maintenance do
+  gem 'tomlrb'
+
+  # To sync maintainers with github
+  gem 'octokit'
+  gem 'netrc'
+end