Add a test file with no SRM stanza and update add.xml to match the
catalog structure to guide the merge process. Also, implement routine
add in xmltool.py.
When merging new material into the parent XML file, add it in reverse
alphabetical order.
Merge branch 'master' of github.com:ORNL-TechInt/esgf-ornl-util

Conflicts:
	xmltool/testdata/add.xml
	xmltool/xmltool.py

Added gridftp and myproxy restart scripts.
Handle glob expressions on xmltool command line.