Go: do not panic in uaparser.New()

Go packages should never expose panic in their external API except
for very extreme cases.
Update the goyaml repository and package name

Closes #2
Merge pull request #3 from justinruggles/nopanic

Go: do not panic in uaparser.New()
Merge pull request #5 from justinruggles/goyaml

Update the goyaml repository and package name
example: allow specifying the regexes.yaml file as a commandline param

The hardcoded path assumes the old ua-parser repository structure