Merge pull request #5 from ateucher/master

Add default lat/long in ebirdgeo, error checking in ebirdgeo and nearestobs
Add ebirdtaxonomy function, plus a bit of documentation cleanup
Add ebirdtaxonomy function, plus a bit of documentation cleanup
Fix merge conflift

Merge branch 'ebirdtaxonomy' of https://github.com/ateucher/rebird into ebirdtaxonomy

Conflicts:
	R/ebirdtaxonomy.R
	man/ebirdtaxonomy.Rd
Fix merge conflift

Merge branch 'ebirdtaxonomy' of https://github.com/ateucher/rebird into ebirdtaxonomy

Conflicts:
	R/ebirdtaxonomy.R
	man/ebirdtaxonomy.Rd
Merge

Merge branch 'ebirdtaxonomy' of https://github.com/ateucher/rebird into ebirdtaxonomy

Conflicts:
	man/ebirdtaxonomy.Rd
Add newline at end of file
Merge pull request #6 from ateucher/ebirdtaxonomy

Add ebirdtaxonomy function