Create test suite for FDBClients, initial tests for FDBClient, wfix errors in client.rb
This commit:

1.) Bug fixes and cleanup to fdb_object
2.) Basic tests for client.rb

Remaining tasks:

1.) Implement tests that ensure *all* relevant keys are updated/cleared on save and delete
2.) Re-implement the existing FDB tests (e.g. transaction size)
3.) Cleanup client.rb
small cleanups
Tests and fixes related to key creation/deletion and memory usage/performance.
turn on tests for marshall and yaml
Merge branch 'object_spec_test' of https://github.com/centzy/fdb_object into object_spec_test

Conflicts:
	lib/fdb_object/client.rb
addresses comments in pull request
Merge branch 'object_spec_test' of https://github.com/centzy/fdb_object into object_spec_test
add gc for jruby tests
move delete_internal and get_delete_data under private
Merge branch 'object_spec_test' of https://github.com/centzy/fdb_object into object_spec_test
Merge pull request #3 from centzy/object_spec_test

Tests for new impl