message: fixes
  chnages to fix issue with installing device dependencies into database
diff: @@ -59,12 +59,12 @@ export class RemoteInstallerContrib {
  promise = Promise.resolve({content: null, ref:url.original});
  } else {
  // get raw url
  - let fileUrl = repoInfo.file(path.join(repoUrlParts.path, 'activity.json'));
  + let fileUrl = repoInfo.file([repoUrlParts.path, 'activity.json'].join('/'));
  // fall back
  promise = getJSONContent(fileUrl)
  .then((result) => Promise.resolve({content:result, ref: url.original}))
  .catch(err => {
  - let fileUrl = repoInfo.file(path.join(repoUrlParts.path, 'trigger.json'));
  + let fileUrl = repoInfo.file([repoUrlParts.path, 'trigger.json'].join('/'));
  return getJSONContent(fileUrl)
  .then((result) => Promise.resolve({content:result, ref: url.original}))
  .catch(err => Promise.resolve({content: null, ref: url.original}) )
  