* Starts to build the list of supported functions, adding links to
wikipedia when there is any doubt what the functions mean.
* Extracts an example of using the function from the test suite.
* Explicitly calls out how we round (half up) because there are
lots of ways to round.
Original commit: elastic/x-pack-elasticsearch@5fb64ba869
The keywords inside SqlBase are now sorted alphabetically - much easier
to read and update the docs
Original commit: elastic/x-pack-elasticsearch@5aa89c5950
Nik Everett
Costin Leau
Costin Leau