Copied files to examples_and_tests module

.gitattributes

stock_examples/apache2.stock.REMOVED.git-id

stock_examples/awk.stock

stock_examples/cal.stock

stock_examples/cat.stock

stock_examples/clear.stock

stock_examples/coreutils-7.4.shared.base.omitfp/base64

stock_examples/coreutils-7.4.shared.base.omitfp/basename

stock_examples/coreutils-7.4.shared.base.omitfp/cat

stock_examples/coreutils-7.4.shared.base.omitfp/cksum

stock_examples/coreutils-7.4.shared.base.omitfp/cp

stock_examples/coreutils-7.4.shared.base.omitfp/csplit

stock_examples/coreutils-7.4.shared.base.omitfp/cut

stock_examples/coreutils-7.4.shared.base.omitfp/date

stock_examples/coreutils-7.4.shared.base.omitfp/dd

stock_examples/coreutils-7.4.shared.base.omitfp/df

stock_examples/coreutils-7.4.shared.base.omitfp/dir

stock_examples/coreutils-7.4.shared.base.omitfp/dirname

stock_examples/coreutils-7.4.shared.base.omitfp/du

stock_examples/coreutils-7.4.shared.base.omitfp/env