add domino-related entries to gitignore
add domino-related entries to gitignore

pombredanne/lsh-hdc,escherba/lsh-hdc,escherba/lsh-hdc,escherba/lsh-hdc,escherba/lsh-hdc,pombredanne/lsh-hdc,pombredanne/lsh-hdc,pombredanne/lsh-hdc,pombredanne/lsh-hdc,escherba/lsh-hdc