Moves acknowledgement section to the bottom.
Moves acknowledgement section to the bottom.

Also adds acknowledgement of gift from the McBurn's.

phyloref/phyloref.github.io,gaurav/phyloref.github.io,gaurav/phyloref.github.io,phyloref/phyloref.github.io,phyloref/phyloref.github.io,gaurav/phyloref.github.io,phyloref/phyloref.github.io,gaurav/phyloref.github.io