Correct handling of tag name and changeset author in sf-tag-hg-code Addition of sf-push-hg-tags and associated template file, for pushing the tags created in sf-tag-hg-code back out to the MCL. Minor whitespace rationalisation.

@echo off
setlocal
if not defined HELIUM_HOME set HELIUM_HOME=%~dp0..\..\..\..\helium
echo %HELIUM_HOME%
rem call ..\..\build\env.bat
call %HELIUM_HOME%\hlm.bat %*
endlocal