Update ChangeLog for v0.6.2.
Update ChangeLog for v0.6.2.

gmarco/mlt-orig,j-b-m/mlt,ttill/MLT,ttill/MLT-roto-tracking,ttill/MLT-roto,j-b-m/mlt,mltframework/mlt,wideioltd/mlt,zzhhui/mlt,siddharudh/mlt,wideioltd/mlt,mltframework/mlt,ttill/MLT-roto,j-b-m/mlt,zzhhui/mlt,gmarco/mlt-orig,gmarco/mlt-orig,gmarco/mlt-orig,siddharudh/mlt,anba8005/mlt,mltframework/mlt,wideioltd/mlt,ttill/MLT-roto-tracking,gmarco/mlt-orig,j-b-m/mlt,wideioltd/mlt,wideioltd/mlt,j-b-m/mlt,zzhhui/mlt,anba8005/mlt,ttill/MLT-roto,siddharudh/mlt,zzhhui/mlt,ttill/MLT,mltframework/mlt,ttill/MLT-roto-tracking,ttill/MLT-roto-tracking,anba8005/mlt,xzhavilla/mlt,wideioltd/mlt,xzhavilla/mlt,zzhhui/mlt,wideioltd/mlt,wideioltd/mlt,mltframework/mlt,xzhavilla/mlt,ttill/MLT-roto-tracking,ttill/MLT,siddharudh/mlt,j-b-m/mlt,wideioltd/mlt,mltframework/mlt,xzhavilla/mlt,anba8005/mlt,anba8005/mlt,xzhavilla/mlt,j-b-m/mlt,j-b-m/mlt,ttill/MLT-roto-tracking,siddharudh/mlt,ttill/MLT-roto,ttill/MLT-roto,siddharudh/mlt,zzhhui/mlt,mltframework/mlt,ttill/MLT-roto-tracking,mltframework/mlt,ttill/MLT-roto-tracking,gmarco/mlt-orig,ttill/MLT,gmarco/mlt-orig,ttill/MLT-roto,zzhhui/mlt,ttill/MLT-roto,ttill/MLT,anba8005/mlt,ttill/MLT-roto-tracking,siddharudh/mlt,gmarco/mlt-orig,xzhavilla/mlt,mltframework/mlt,siddharudh/mlt,siddharudh/mlt,ttill/MLT,j-b-m/mlt,ttill/MLT,anba8005/mlt,anba8005/mlt,xzhavilla/mlt,xzhavilla/mlt,gmarco/mlt-orig,xzhavilla/mlt,anba8005/mlt,ttill/MLT-roto,ttill/MLT,ttill/MLT,ttill/MLT-roto,j-b-m/mlt,zzhhui/mlt,zzhhui/mlt,mltframework/mlt