`make clean` a little better
PEM encoded keys were missing a newline.

This prevented import into OpenSSL, and others.
Fixes issue #16.
Copy tomcrypt_mac.h for patching
Patch tomcrypt_mac.h

For some reason, with all our other includes,
the `B0` is taken to be a numeric constant.
Fix the manifest

Was missing the *.ext_sources.txt files, with
other changes.
Bump version to 0.7.0