v0.7.4
SELinux: Add rules for user_tpm_t:sockfile to allow unlink
swtpm: Restore logging to stderr on log open failure
build-sys: Add MY_CFLAGS, CFLAGS, and MY_LDFLAGS to all Makefile.am's
swtpm_cert: Allow passing -1 for days to get a non-expiring certificate
build-sys: Define __USE_LINUX_IOCTL_DEFS in header file (Cygwin)
swtpm_localca: Add missing NULL option to end of array
swtpm_setup: Exit with '0' upon --version rather than '1'.
swtpm: Move ARRAY_LEN and min #define's to swtpm_utils.h
Move swtpm_localca sources from samples/ to src/