store/load all results of get.trait.data/run.meta.analysis (redmine #1461)
call get.trait.data/run.meta.analysis with parameters, not global settings (redmine #1768)
replace settings with actual parameters used in call (redmine #1636, github #18)
roxygenize db folder
roxygenize meta.analysis folder
update code to reflect changes to get.trait.data and run.meta.analysis
Merge branch 'master' of github.com:PecanProject/pecan