Bump version to 1.4.1

Changes since 1.4.0

• improvements/clarifications in documentation
• properly finalize cmap connection when disconnected from cluster
• make handling of cib-connection loss more robust
• silence some coverity findings
• overhaul log for reasonable prios and details
• if current slice doesn't have rt-budget move to root-slice
• periodically ping corosync daemon for liveness
• actually use crashdump timeout if configured
• avoid deprecated names for g_main-loop-funcitons
• conflict with fence-agents-sbd < 4.5.0
• rather require corosync-devel provided by most distributions
• make devices on cmdline overrule those coming via SBD_DEVICE
• make 15s timeout on s390 be used consistently
• improve build/test for CI-friendlyness
• * add autogen.sh
• * enable/improve out-of-tree-building
• * make tar generation smarter
• * don't modify sbd.spec
• * make distcheck-target work
• * Add tests/regressions.sh to check-target
• * use unique devmapper names for multiple tests in parallel
• * consistently use serial test-harness for visible progress
• * package tests into separate package (not packaged before)
• * add preload-library to intercept reboots while testing
• * add tests for sbd in daemon-mode & watchdog-dev-handling
• * make tests work in non-privileged containers