release: update for v1.9.1

git-svn-id: https://svn.resiprocate.org/rep/resiprocate/branches/resiprocate-1.9@10980 ddefafc4-47db-0310-ae44-fa13212b10f2
-use threadsafe variant of localtime (localtime_r) on non-windows based platforms

git-svn-id: https://svn.resiprocate.org/rep/resiprocate/branches/resiprocate-1.9@10981 ddefafc4-47db-0310-ae44-fa13212b10f2
travis: enable clang builds again

git-svn-id: https://svn.resiprocate.org/rep/resiprocate/branches/resiprocate-1.9@10982 ddefafc4-47db-0310-ae44-fa13212b10f2
-fix potential leak removed by Coverity if CommandServer doesn't get created properly

git-svn-id: https://svn.resiprocate.org/rep/resiprocate/branches/resiprocate-1.9@10983 ddefafc4-47db-0310-ae44-fa13212b10f2
-changes to make reTurn compatible with ASIO 1.10.1

git-svn-id: https://svn.resiprocate.org/rep/resiprocate/branches/resiprocate-1.9@10984 ddefafc4-47db-0310-ae44-fa13212b10f2
-change default configuration so that server key reads from server.pem - so that reTurn will start with
 distributed files

git-svn-id: https://svn.resiprocate.org/rep/resiprocate/branches/resiprocate-1.9@10985 ddefafc4-47db-0310-ae44-fa13212b10f2
-small change to make reflow compatible with ASIO 1.10.1

git-svn-id: https://svn.resiprocate.org/rep/resiprocate/branches/resiprocate-1.9@10986 ddefafc4-47db-0310-ae44-fa13212b10f2