Update for DVB A177r7

Updated linked application types adding consent applications

Release to update website for DASH delivery updates

Includes updates for DASH delivery of VVC, AVS3 and HDR formats

Replaced latin character with entity codes

Replaced latin character with entity codes in electronic attachments for TS 102 833 v1.1.1 and TS 102 833 v1.2.1. (In ParentalGuidanceCS.xml files)

Update dvb.org/metadata with AVS3 audio and TVA updates

Release follows updates by @paulhiggs

Update dvb.org/metadata web page with A177r6

Trying again after code error fixed.

Update dvb.org/metadata web page with A177r6

Merge pull request #18 from paulhiggs/master

Update dvb.org/metadata web page with A177r6

Adds missing file from V1.9

Merge pull request #17 from paulhiggs/master

updated DVBServiceType (2019) classification scheme

Updates for A177r4

Adds additional 'radio' service types but retains existing classification scheme version (backward compatible update)

termID fix

fix @termid attribute in VideoCodecCS

Adding NGVCs to list in description

Minor addition to the last release.