build fix for !raspberry
Merge pull request #2 from capnm/patch-1

build fix for !raspberry
Update README.md

go get github.com/remogatto/egl -tags="raspberry"
package github.com/remogatto/egl
	imports -tags=raspberry: unrecognized import path "-tags=raspberry"
Merge pull request #3 from capnm/patch-2

fix typo