write simple specs for main parts with no config
add simplecov for coverage info
more descriptive error messages in Shiva::Configurator
better readability of class error in configurator
wrong filename on shiva rake task spec
add Shiva::Database spec
add pending specs to remind us what we're missing
create tmp spec dir
few specs for shiva migrator migrate
add activerecord-jdbcsqlite3-adapter to JAVA development dependencies
prepare Travis CI file
add migrator specs - failing
add AR JDBC monkey patch from issue 377 and run on 1.3.0DEV version

https://github.com/jruby/activerecord-jdbc-adapter/issues/377#issuecomment-16588026

This commit has been made to allow jRuby guys to debug the problem
in SQLite adapter described in the issue above
remove pry from monkeypatch
add extra spec to migrator spec
fix JDBC SQLite bug
add another migrator spec
add spec for pending migrations
add specs for Shiva::Dumper
use a more descriptive name for stub database class