MeSHSim package
2015-01-12: fix bug for Lord measurement

2015-01-12: add document for brief model of nodeInfo

2015-01-12: add brief model for nodeInfo

2015-01-12: adjust parameter and update MeSH information

2015-01-12: fix bugs

2015-01-11: Enrich function termInfo to just retrive brief information

2015-01-08: Update to 2015 MeSH information for 0.99.2 release

2014-12-14: Update vignettes for MeSHSim 0.99.1 release

2014-11-16: Update files for MeSHSim 0.99.0 release