Add /api handler, expose app version number.
Add /api handler, expose app version number.

neviim/scope,cgvarela/scope,alban/scope,neviim/scope,davkal/scope,kinvolk/scope,barravi/scope,philipz/scope,weaveworks/scope,dilgerma/scope,tomwilkie/scope,kinvolk/scope,dilgerma/scope,weaveworks/scope,tomwilkie/scope,barravi/scope,weaveworks/scope,cgvarela/scope,mbrukman/scope,mbrukman/scope,alban/scope,alban/scope,neviim/scope,mbrukman/scope,neviim/scope,weaveworks/scope,paulbellamy/scope,tomwilkie/scope,paulbellamy/scope,paulbellamy/scope,cgvarela/scope,barravi/scope,davkal/scope,paulbellamy/scope,alban/scope,davkal/scope,tomwilkie/scope,dilgerma/scope,davkal/scope,alban/scope,tomwilkie/scope,philipz/scope,barravi/scope,mbrukman/scope,davkal/scope,davkal/scope,cgvarela/scope,alban/scope,dilgerma/scope,cgvarela/scope,neviim/scope,barravi/scope,dilgerma/scope,dilgerma/scope,weaveworks/scope,philipz/scope,neviim/scope,kinvolk/scope,philipz/scope,paulbellamy/scope,mbrukman/scope,kinvolk/scope,cgvarela/scope,paulbellamy/scope,mbrukman/scope,tomwilkie/scope,weaveworks/scope,philipz/scope,kinvolk/scope,kinvolk/scope,philipz/scope,barravi/scope