Policy:
- Only latest patchlevel for each branch release
Exception: CLooG - ISL has dependencies on specific CLooG releases within a
single branch
- Where there are no patchlevel releases (uClibc, musl) - just retain
two most recent releases
Also, missed automake update: 1.14 -> 1.14.1
Signed-off-by: Alexey Neyman <stilor@att.net>
