Build: Add a test for ax_is_release version
Build: Add a test for ax_is_release version

Currently, ./configure will fail with a parameter error if ax_is_release
on the system is outdated. Instead make ./bootstrap fail, with a more
meaningful error message and advice for a download url.

Signed-off-by: Andreas Fuchs <622ac2c25087201462d23b927a044354eba8dded@sit.fraunhofer.de>

tpm2-software/tpm2-tss,01org/TPM2.0-TSS,tpm2-software/tpm2-tss,01org/tpm2-tss,01org/TPM2.0-TSS,tpm2-software/tpm2-tss,01org/TPM2.0-TSS,01org/tpm2-tss,01org/tpm2-tss,01org/TPM2.0-TSS