Send email re metadata, for issue #1

ms/email/send-email.R

 
 source("email/email.R")
+library("rjson")
 
 sendEmail <- function(name, address, site, files = NA){
   
@@ -9,10 +10,10 @@ We are looking forward to the working group next week on competitive interaction
 
 We would appreciate if you could review the attached meta data information for the ", site , " dataset and get back to us, ideally within the next few days. Where possible, we are running analyses prior to the working group, so that we can begin to discuss results already on day one. For some datasets however, we do not yet have enough information to make this possible.
 
-The attached zipfile includes several files. 
+Several files are attached for you to review:
 - The file 'site_description.pdf' combines all the meta data for your site and is built from the information contained in the other files. Thus, where data is absent, we ask you to edit the other data files to provide relevant data.
-- The file '_site_details.JSON' contains information about your site, include contact details, data availability, site information, vegetation type, etc. This file can be opened in any text editor and information added where appropriate.
-- The folder 'files'' contains a csv file for each of the data files you provided us with, giving variable headings, units and variable descriptions. This file can edited either in  a text editor or in Microsoft excel. 
+- The file '_site_details.JSON' contains information about your site, including contact details, data availability, site information, vegetation type, etc. This file can be opened in any text editor and information added where appropriate. In addtion to information described above, please also give a brief desciption about the 'contents' of each of the files listed. e.g. 'contains demographic data from field survey'.
+- A separate csv file for each of the 'files' listed in JSON file, giving variable headings, units and variable descriptions for the data in each file. These csv files are used to create the tables in the pdf report. These csv files can edited either in a text editor or in Microsoft excel.
 
 To give you a better idea of what a completed description would look like, I have also included a copy of the BCI site description, which is close to complete.
 

ms/metadata/TRY/_site_details.csv

-Item,Details
-contact name,
-contact email,
-contact affiliation,
-dataset name,
-country,
-climate,
-vegetation type,
-minimum tree size,
-field methodology,
-trait information,
-key references,