add eslintignore to the dockerfile where we run eslint
add eslintignore to the dockerfile where we run eslint

mbrukman/scope,dilgerma/scope,alban/scope,dilgerma/scope,weaveworks/scope,paulbellamy/scope,paulbellamy/scope,mbrukman/scope,kinvolk/scope,alban/scope,paulbellamy/scope,dilgerma/scope,alban/scope,mbrukman/scope,dilgerma/scope,paulbellamy/scope,kinvolk/scope,weaveworks/scope,weaveworks/scope,kinvolk/scope,alban/scope,paulbellamy/scope,mbrukman/scope,kinvolk/scope,mbrukman/scope,kinvolk/scope,kinvolk/scope,paulbellamy/scope,mbrukman/scope,alban/scope,weaveworks/scope,weaveworks/scope,dilgerma/scope,weaveworks/scope,alban/scope,dilgerma/scope