Makefile.am: make dist include missing files
Makefile.am: make dist include missing files

Some files were missing from the distribution tarball, add them:
 - tests
 - scripts
 - bootstrap

Add a disthook to remove things we want to ignore from recursively
included directories.

Fixes: #1469

Signed-off-by: William Roberts <60148e894dabf0b83bde1d460768794cd453c455@intel.com>

01org/tpm2.0-tools,01org/tpm2.0-tools,01org/tpm2.0-tools