TS-2304 Make the healthcheck plugin watch for file permission changes
Added TS-2304 to CHANGES.
TS-2533 Add three commands previously provided by traffic_shell.

This adds the following command line options:

     --alarms        Show all alarms currently active (show:alarms)
     --status	     Show the current proxy server status (show:status)
     -- clear_alarms Clear selected alarms. Arguments are the name string,
                     the event number, or the string "all".
TS-2501 Refactor and improve performance for the case without expansions
TS-2031: Prevent duplicate SSL SNI name registration

If you have two certs that has the same CNs, the last one wins in
the SNI negotiation. We not detect this case, issue a warning and
preserve the existing registration.
TS-2539: clean up Generated Perl files
TS-2530 - Check for loopback interfaces to avoid false multi-cycle hop detection
TS-2530 - CHANGES not correct, fixed.
Update the docs for header_rewrite and the operators
TS-2544 conf_remap plugin: allow for multiple configuration files
TS-2329 Update documentation for header_rewrite plugin
Merge branch 'master' into 5.0.x
TS-2229 header_filter should be deprecated, header_rewrite is a superset of functionality
TS-2195 Remove the (deprecated) TSHttpTxnCacheLookupSkip API