harden go agent action Run methods

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

Signed-off-by: dmitriy kalinin <dmitriy@pivotallabs.com>
do not verify sha1 of source package for compiled_package action because of Director bug

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