adjust to new travis

.travis.yml

@@ -1,10 +1,10 @@
 # test compilation and then run tests with dummy mode turned on
 language: ruby
 before_install:
-  - sudo apt-get install -y libsystemd-journal-dev
+  - sudo apt-get install -y libsystemd-dev
 install: "bundle install"
 rvm:
-  - 1.9.2
+  - 1.9.3
   - 2.0.0
   - 2.1.0
   - 2.2.0

journald-native.gemspec

@@ -17,7 +17,7 @@ Gem::Specification.new do |spec|
 
   spec.extensions << 'ext/journald_native/extconf.rb'
 
-  spec.required_ruby_version = '>= 1.9.2'
+  spec.required_ruby_version = '>= 1.9.3'
 
   spec.add_development_dependency 'bundler', '>= 1.6', '< 3'
   spec.add_development_dependency 'rake'