ntp: don't set address for sendmsg() with connected sockets
test: require latest clknetsim revision
keys: fix determine_hash_delay() declaration
cmdmon: remove disabled code
Convert disabled log messages to debug or remove them
util: print timevals for debug messages as numbers
doc: drop porting guide

Most of the information provided in this section looks obsolete.
Comments in the source code should be a better source.
doc: update installation chapter
doc: include faq.txt in main document
make_release: add testing mode
make_release: generate INSTALL from chrony.txt
make_release: generate FAQ from chrony.txt