Log Message:
math/R-DBI: Update to 1.0.0

Changes:

- New dbAppendTable() that by default calls sqlAppendTableTemplate()
  and then dbExecute() with a param argument, without support for
  row.names argument.
- New dbCreateTable() that by default calls sqlCreateTable() and then
  dbExecute(), without support for row.names argument.
- New dbCanConnect() generic with default implementation.
- New dbIsReadOnly() generic with default implementation.
- sqlAppendTable() now accepts lists for the values argument, to
  support lists of SQL objects in R 3.1.
- Add default implementation for dbListFields(DBIConnection, Id), this
  relies on dbQuoteIdentifier(DBIConnection, Id).
- Documentation updates and ug fixes.