acu69150 fix broken spec that used symbols
acu69150 partitioned specs to spec/unit and spec/functional

TODO: fix relative paths in spec files
acu69150 update specs with correct paths

Added some README instructions.

Sample test runs:

bundle exec rake spec SPEC=spec/unit/
Finished in 0.096721 seconds

bundle exec rake spec SPEC=spec/functional/
Finished in 87.162786 seconds
acu69150 remove Gemfile.lock

Gemfile.lock is for app deployment, not public library development.
Merge remote-tracking branch 'origin/master' into yellow_13_02_acu69150_fix_specs

Conflicts:
	Gemfile.lock
	spec/functional/client_spec.rb
	spec/unit/helper_spec.rb
	spec/unit/instance_facing_spec.rb
	spec/unit/resource_detail_spec.rb
	spec/unit/resource_spec.rb
	spec/unit/resources_spec.rb
Merge pull request #26 from rightscale/yellow_13_02_acu69150_fix_specs

Yellow 13 02 acu69150 fix specs