Low: build: update .gitignore and make maintainer-clean target

Signed-off-by: Fabio M. Di Nitto <fdinitto@redhat.com>
Low: build: cleanup autogen warning to not overrride LDFLAGS

Signed-off-by: Fabio M. Di Nitto <fdinitto@redhat.com>
Low: doc: Add better documentation on thread-safe logging
Merge pull request #126 from davidvossel/17.1.fixes

build cleanup and thread-safe logging documentation
Low: log: return filter type enum to preserve abi compatibilty with corosync

This returns abi compatiblity with libqb v0.16.0. There was a subtle
change in behavior caused by reordering the log filter enum in
v0.17.0.
Merge pull request #127 from davidvossel/17.1.fixes

Low: log: return filter type enum to preserve abi compatibilty with corosync
High: trie: allow modifying the trie map during the notify callback
Merge pull request #128 from davidvossel/17.1.fixes

High: trie: allow modifying the trie map during the notify callback
High: ipc_socket: Signalhandler must be resetted to Default, use only cleanup_sigpipe to return from qb_ipc_dgram_sock_setup.

Some OS like Solaris/Illumos return with ECONNRESET or EPIPE in the case of a disconnecting peer.
Change the return code to ENOTCONN and continue.
Merge pull request #131 from davidvossel/reformatting

High: ipc_socket: Signalhandler must be resetted to Default, use only cl...