Fix unit testy

Add 'TS' to sonarpedia languages

S3498 ObjectLiteralShorthandCheck: prefer shorthand for quoted proper…

…ties (SonarSource#1752)

Add dependency on typescript 2.0.0 plugin (SonarSource#1667)

Update sonarpedia.json file (SonarSource#1609)

Set version to v5.2.1

Remove usage of deprecated NewExternalIssue#forRule API (SonarSource#…

…1253)

breaks compatibility with SQ < 7.4

Update metadate last change data (SonarSource#1212)

Update rule metadata (SonarSource#1204)

Update Twitter link (SonarSource#1105)