errand director task returns proper *short* result

Signed-off-by: dmitriy kalinin <dmitriy@pivotallabs.com>
removed unused rspec matcher

Signed-off-by: dmitriy kalinin <dmitriy@pivotallabs.com>
use vm.instance instead of Models::Instance.find... lookup

Signed-off-by: dmitriy kalinin <dmitriy@pivotallabs.com>
moved ReleaseHelper into its own file

Signed-off-by: dmitriy kalinin <dmitriy@pivotallabs.com>
moved more helpers from spec_helper to specs and support files

Signed-off-by: dmitriy kalinin <dmitriy@pivotallabs.com>
move json_match to support/

Signed-off-by: dmitriy kalinin <dmitriy@pivotallabs.com>
removed have_path_of matcher since it was only being used in one place

Signed-off-by: dmitriy kalinin <dmitriy@pivotallabs.com>
do not pass directory to Mysql/Postgres sandbox database cleaner

Signed-off-by: dmitriy kalinin <dmitriy@pivotallabs.com>