set execute bit on test_file

b/c it is intended to be executed.
update spec test script

This commit updates files used for testing.

1. it drops 2.6.x support
2. create_resourecs is no longer being braught in as an
external dependency.
3. .gemfile moved to Gemfile (the standard name)
4. test ruby 1.9.3
5. test Puppet 3.0
Merge pull request #170 from bodepd/update_test_scripts

update spec test script
Merge pull request #168 from bodepd/set_exe_bit

set execute bit on test_file