Update git-svn docs

git-svn-id: https://svn.mcs.anl.gov/repos/exm/sfw/dev@13111 dc4e9af1-7f46-4ead-bba6-71afc04862de
Consistent script name with project name

git-svn-id: https://svn.mcs.anl.gov/repos/exm/sfw/dev@13112 dc4e9af1-7f46-4ead-bba6-71afc04862de
Remove unused cray-specific build stuff

git-svn-id: https://svn.mcs.anl.gov/repos/exm/sfw/dev@13137 dc4e9af1-7f46-4ead-bba6-71afc04862de
Remove final reference to cray

git-svn-id: https://svn.mcs.anl.gov/repos/exm/sfw/dev@13138 dc4e9af1-7f46-4ead-bba6-71afc04862de
Add config settings for julia and coasters

git-svn-id: https://svn.mcs.anl.gov/repos/exm/sfw/dev@13139 dc4e9af1-7f46-4ead-bba6-71afc04862de