Merge pull request #1880 from smartdevicelink/release/5.7.0_RC

Release 5.7.0

Update changlog for release

Merge pull request #1840 from smartdevicelink/hotfix/issue_1839

Hot Fix for  #1839. Adding fallback logic for starting router service

Merge pull request #1837 from smartdevicelink/release/5.6.0_RC

Release/5.6.0

Merge pull request #1816 from smartdevicelink/release/5.5.0_RC

Release 5.5.0

Update CHANGELOG for 5.5.0 release

Merge pull request #1795 from smartdevicelink/5.4.0_RC

Release 5.4.0

Update name and version code

Merge pull request #1773 from smartdevicelink/hotfix/5.3.1

Hotfix/5.3.1

Merge pull request #1747 from smartdevicelink/release/5.3.0_RC

Release/5.3.0