updated units for "water_conductance" in trait.dictionary
Merge branch 'master' of https://github.com/dlebauer/pecan
updated tests; refs #1469
simplified get.run.id function, updated documentation, added tests
added example output files in PEcAn standard format for testing
changed database settings to default "bety" for testing; updated read.output documentation
updated test settings files; consolidated multiple files named "test.settings.xml" into one that lives in utils/inst/extdata
added example ed output to ed module
wrote initial test for model2netcdf.ED2; added dependency on ncdf package to DESCRIPTION file (and removed `require` from function)
returned "model" argument to read.output function; moved dependency on ncdf package to the DESCRIPTION file