Update Twitter link (SonarSource#1105)

Update sonarpedia latest-update (SonarSource#1041)

Support import of ESLint issues with zero length range (SonarSource#1027

)

Update rules metadata (SonarSource#940)

Add npm badge (SonarSource#891)

Bump up to version 4.0 (SonarSource#877)

Update parent pom to v41

Update ruling for 'Assignments should not be redundant'

Update link to travis build to use new repo name (SonarSource#793)

Update rules metadata (SonarSource#789)

* Update rules metadata

* small fix