[server] Accept get method for 'oauth/token' to support scribe-java.
[server] Accept get method for 'oauth/token' to support scribe-java.

malavbhavsar/mitra,yatsu/bestmix,cngondo/bestmix,yatsu/bestmix,malavbhavsar/mitra,cngondo/bestmix,malavbhavsar/mitra,cngondo/bestmix,yatsu/bestmix,cngondo/bestmix