get version from 'git describe'
  * remove hardcoded version string in lsleases.go
  * set version in lsleases.go at build time (-ldflags "-X main.VERSION <VERSION>")
  * update build / test infra to handle new version schema
  * update README for source install
rpmbuild doesnt like '-' in the version - replace it with '.'
disable TestNoServerInstanceRunning
  * fails every time a server instance is running
add filter leases function
new client mode '-w': watch for new leases
test infra: fix compare package version
revised source installation documentation
windows installer: check if already installed
  * if already installed, ask user if uninstaller should be called
add github reference in manpage
windows start, stop, restart service files: warn user at insufficient permission
windows start, stop, restart service files: pause on error
fix link in readme
update changelog