updated supported funders and removed section about the TSV as it is only to be used by NOADs
fixed tsv URL
added documentation for the projects2tsv endpoint
minor changes to a couple of sentences
added list of avaialble funding streams and those that are coming soon
#1031: title of eprints/dspace export
#690: HTTP API documentation for project and other updates.
#550: making it clear we are delivering metadata only. Clenaup.