fixes to web interface to work with new geometry
disable data.atmosphere tests #202

The file modules/data.atmosphere/inst/extdata/urbana_daily_test.nc has
the wrong start_date
fix export for start.model.runs

roxygen2 keeps changing this to S3method, if you run roxygen2 make sure
this stays export, other option is to change the function from
start.model.runs to startModelRuns
update dump url BU
use centroids to get X,Y
dump modeltypes and modeltypes_formats
dump modeltypes and modeltypes_formats
cleanup scripts, add dalec data

created a add.util.sh that can be used by others to add new models and
datasets.
fix for multiple pfts with same name #177

This uses the model$type to distinguish between different pfts with the
same name. For this to work the get.trait.data function now takes an
extra parameter, the model$type.
remove debug statements
fix dump script for n-m relations

n-m relations are dumped if either of the ids are inside the dumped
range, not only if both are in the dumped range.
too aggressive with cleaning the database
only call remove.config if it exists
in db.exists it is assumed that the table 'users' exists and this table is used to check read/write capabilities. However, not all databases that we are using have this table (e.g. FIA) so for now this test has been commented out
Merge pull request #205 from apourmok/master

in db.exists it is assumed that the table 'users' exists and this table ...
changed BioCro default atm CO2 to 400ppm
added data.table to biocro.Rscript
updated data.atm documentation
changed specification of mResp in BioCro salix defaults
Merge branch 'master' of github.com:PecanProject/pecan