changed index of OOV from 0 to -1 (so that first word vector is included in search)
changed index of OOV from 0 to -1 (so that first word vector is included in search)

git-svn-id: 494299a540dfce6f603cd32c6b58bdd9f239284e@30 c84ef02e-58a5-4c83-e53e-41fc32d635eb

andrewt3000/word2vec,anupamme/word2vec-mirror,svn2github/word2vec-mac,svn2github/word2vec,anupamme/word2vec-mirror,mainka/word2vec,William-Yeh/word2vec-mac,joshsilverman/w2v,mrkn/word2vec-mirror,svn2github/word2vec,andrewt3000/word2vec,bpiwowar/word2vec,bpiwowar/word2vec,Aureliu/word2vec-mac,mrkn/word2vec-mirror,joshsilverman/w2v,William-Yeh/word2vec-mac,dusual/word2vec,dusual/word2vec,Aureliu/word2vec-mac,svn2github/word2vec-mac,dusual/word2vec,mainka/word2vec