Analysis code cleanup.
modified analysis to add query_method (index or nested) as afactor in the GLM.
Added data and statistical analysis code used for evaluation of thequery performance metrics for Metacat.
results from metacat testing
test results for 11thousands, 87thousands and 162 thousands nodes
play dtd pathquery files
script and data files for performance testing
removed old script and xml files
script to execute all queries
test queries for performance analysis