more build script changes

build/release

@@ -28,12 +28,13 @@ do_system("mvn clean package")
 commit_template = Tempfile.new('maxwell_build')
 commit_template.write <<-EOL
 v#{$version}, "pithy title here"
-
 - list changes
+
 EOL
 
-commit_template.write(`git lg v#{CURRENT_REV}`.split("\n").map { |l| "# " + l })
+git_log = "git log --pretty=format:'%h -%d %s %cr <%an>' --abbrev-commit --date=relative v#{CURRENT_REV}..HEAD"
 
+commit_template.write(`#{git_log}`.gsub(/^/, '# '))
 commit_template.close
 
 do_system("git commit -av -t #{commit_template.path}")