use activerecord-jdbc*-adapter gems for jruby
travis: allow jruby to fail
sélect dummy app by rails version
different creation command for rails 2
replaced complete app spec/dummy-3.1.3 with minimalistic dummy apps for rails 2.3, 3.0, 3.1, 3.2, 4.0
rails version from ENV['RAILS_VERSION']
travis: run for different rails versions
fixed syntax for ruby1.8 in dummy apps 3.1 and 3.2 and spec_helper
travis: fixed allow_failures
travis: removed 1.9.2, jruby-18mode and rbx-18mode
travis: exclude rails 4 for 1.8.7 and ree
need activerecord-*-adapter for rails before 3.1
Merge branch 'test-multiple-rails-versions'
fixed mass-assignment in cycle spec for rails 3.2
extracted and fixed Dump#silence
don't need activerecord-postgresql-adapter
monkey patch Gem if missing source_index to work with rails 2.3.8
travis: explained exclusion of rails 4 for ruby 1.8.7 and ree
travis: exclude rails 2.3.0 for ruby 2.0.0 due to problems with iconv
travis: exclude rails 3.0 due to conflicting adapters for postgresql and mysql2