Change from single provider to chain provider#8

Merged

toin0u merged 2 commits intogeocoder-php:masterfrom

anaxamaxan:master

May 12, 2014

Commits on Jan 31, 2014

Changed to use ChainProvider instead of limiting to only a single provider.
anaxamaxan
committed
Add tests for using chain provider instead of single provider
anaxamaxan
committed